2024 Find cos2θ if sinθ 8/17

Find cos2θ if sinθ 8/17

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August undefined, 2024

WebFree Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step WebMar 31, 2024 · sinx = 4/5, x is in quadrant I or II. cosx =3/5 or -3/5, cosx = + or - sqr (1-sin^2x) = sqr (1-16/25) = sqr (9/25 = 3/5. use one of the double angle formula for cosines. cos2x = cos^2 - sin^2= 9/25 -16/25 = - 7/25. it's negative because 2x is in quadrant II or III where cosines are negative. or use cos2x = 1-2sin^2x = 1 - 2 (4/5)^2 = 1-2 (16/25 ...

7. If sinθ=c2+d2 c , where d>0 then find the values of cosθ and 8.

WebQuestion 1158677: Find the exact values of sin 2θ, cos 2θ, and tan 2θ for the given value of θ. cos θ = 3/5; 0° θ 90° a).sin 2θ b).cos 2θ c).tan 2θ Please help! I want to know how to solve these kind of problems so please don't just show me the answer. Thank you :) Answer by josmiceli(19441) (Show Source): define ferritin blood test

Find Trig Functions Using Identities sin(theta)=15/17 , cos(theta)=8/17 …

WebFind cos2θ if sinθ=178. cos2θ= Question: Find cos2θ if sinθ=178. cos2θ= Show transcribed image text. Expert Answer. Who are the experts? Experts are tested by Chegg as specialists in their subject area. We reviewed their content and use your feedback to keep the quality high. ... Find cos 2 θ if sin θ = 17 8 ... WebCos 2θ sinθ r2 cosθ. 1 r. Cos 2θ sinθ sin 2θ cosθ 1 r. The polar curves r 1 sin2θ and r sin2θ 1 have the same graph 6. The equations r 2, x2 y2 4, and rt 2 sin3t, 2 cos3t 0 t. Rsin theta rsinθ, rsin 2 theta, rsin2x, rsin2θ, rsin 3 theta rsin3θ, rsin 4 theta rsin4θ, rsin 5 theta rsin5θ. Example: Find the points on the curve r 3 cos ... WebMay 18, 2024 · Use identities to find values of sin 2θ and cos 2θ for cos θ = -12/13, sin θ > 0 Answers · 1 Use the trigonometric identities to find sin x, tan x, and cot(-x), given cos x = 3/5 and x in quadrant IV define fetal reduction

【类题试解】已知:f(α)=(sin(-a)cos(π+α)cos(π/(2)-α))/(cos(π …

Find the exact value of all six trigonometric functions if sin theta =8 ...

WebQuestion: Suppose that sin θ=8/17 and θ is in the second quadrant. Find sin(2θ),cos(2θ), and tan(2θ) exactly. Find sin(2θ),cos(2θ), and tan(2θ) exactly. Suppose that sin θ=8/17 and θ is in the second quadrant. WebJul 29, 2024 · Given that sin theta = 8/17 and cos theta < 0, we have: cos theta = -sqrt(1-sin^2 theta) color(white)(cos theta) = -sqrt(1-(color(blue)(8/17))^2) color(white)(cos theta) = -sqrt(1-64/289) color(white)(cos theta) = -sqrt(225/289) color(white)(cos theta) = -15/17 Then: tan theta = sin theta / cos theta = -8/15 cot theta = cos theta / sin theta ... define fertility in scienceWeb【题目】已知向量 a=(-1/2,(√3)/2) ， b=(2cosθ, 2snθ）， 0θπ .1）若 a∥b ，求角θ的大小;2）若 a+b= b ，求sinθ的值. define fertility of soil

"WebWritten Assignment Unit 1 Roman and greek.docx. University of the People. HIST 1421 " - Find cos2θ if sinθ 8/17

Find cos2θ if sinθ 8/17

Suppose that sinθ=8/17 and θ is in the second quadrant.

WebApr 15, 2024 · Given that sinθ=8/17 , what is cosθ ? Enter your answer, as a simplified fraction, in the boxes. See answer Advertisement Advertisement bhuvna789456 bhuvna789456 Cosθ = 15/17. Step-by-step explanation: Sinθ = 8/17. We know that, Sin^2 θ + cos^2 θ =1. 64/289 + cos^2 θ =1. WebIf cosθ–sinθ=√2sinθ then how do you prove that cosθ+sinθ=√2cosθ? Solution: Method 1: Given that: cos θ – sin θ=√2 sin θ, square both sides to get. cos^2 θ - 2 cos θ sin θ + sin ^2 θ = 2 sin^2 θ …. (1) RHS = √2cos 22.5 = 1.306562965. Correct. Hence, cos θ …

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WebMath Calculus Find cos2θ if sinθ=7/25. Find cos2θ if sinθ=7/25. Question. Find cos2θ if sinθ=7/25. Expert Solution. Want to see the full answer? Check out a sample Q&A here. See Solution. Want to see the full answer? See Solutionarrow_forward Check out a sample Q&A here. View this solution and millions of others when you join today! WebMar 21, 2024 · Try this option (replace, pls, a↔θ): rule: if a∈ [0;90°], then cos (a)>0, sin (a)>0, sin (a/2)>0, cos (a/2)>0 and tg (a)>0. 1. for sin (a/2): using 'cos (a)=1-2sin² (a/2)', ⇒. 2. for sin (2a): sin (2a)=2*sin (a)cos (a), where sin (a)=√ (1-cos² (a))=15/17.

WebNov 14, 2014 · sinθ = 8/17 in QII means that cosθ = -15/17 sin2θ = 2sinθcosθ = 2(8/17)(-15/17) cos2θ = cos^2θ - sin^2θ = (15/16)^2 - (8/17)^2 tan2θ is of course, sin2θ/cos2θ. answered by Steve. November 14, 2014. NNNNNNNNNNNNNNNOOOOOOOOOOOOOO. answered by Anonymous. January 10, 2024. Answer this Question. Your Name. Web5．（3分）已知sinθ=2cosθ，则tan2θ的值为． 6．（3分）已知角α的终边位于函数y=﹣3x的图象上，则cos2α的值为． 7．（3分）函数的值域用区间表示为． 8．（3分）在 ABC中，已知a=7，b=8，c=13，则角C的大小为． 9．（3分）在 ABC中，已知A=45°，B=105°，则的值为．

WebCancel the common factor of cos(2θ) cos ( 2 θ). Tap for more steps... tan(2θ) = 1 tan ( 2 θ) = 1. Take the inverse tangent of both sides of the equation to extract θ θ from inside the tangent. 2θ = arctan(1) 2 θ = arctan ( 1) Simplify the right side. Tap for more steps... 2θ = π 4 2 θ = π 4. Divide each term in 2θ = π 4 2 θ = π ... WebJul 30, 2024 · Given that #sin theta = 8/17# and #cos theta < 0#, we have:. #cos theta = -sqrt(1-sin^2 theta)# #color(white)(cos theta) = -sqrt(1-(color(blue)(8/17))^2)# #color ...

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WebIf Sinθ = 8/17, Where θ is an Acute Angle, Find the Value of Cos θ by Using Identities. Maharashtra State Board SSC (English Medium) 10th Standard Board ... Question Bank Solutions 11838. Concept Notes & Videos 384. Time Tables 25. Syllabus. If Sinθ = 8/17, Where θ is an Acute Angle, Find the Value of Cos θ by Using Identities. - Geometry. define fervent in hindiWebTrigonometry. Find the Other Trig Values in Quadrant I sin (theta)=8/17. sin(θ) = 8 17 sin ( θ) = 8 17. Use the definition of sine to find the known sides of the unit circle right triangle. The quadrant determines the sign on each of the values. sin(θ) = opposite hypotenuse sin ( θ) = opposite hypotenuse. Find the adjacent side of the unit ... feeling light headed after treadmillWebNov 12, 2024 · sin (2 Θ) = 2cosΘsinΘ. sinΘ=opposite/hypotenuse=8/17. adjacent = (17^2 - 8^2)^1/2 =15. sin (2 Θ) = 2cosΘsinΘ = 2 * (15/17)* (8/17)= 240/289. opposite of 2Θ equals 240. hypotenuse of 2Θ equals 289. adjacent of 2Θ = (289^2 - 240^2)^1/2 = 161. cos (2Θ) = 161/289. tan (2Θ) = 240/161. define fertility treatmentWebFree math problem solver answers your trigonometry homework questions with step-by-step explanations. define fertility rate in shortWeb2024年辽宁铁道职业技术学院高职单招语文／数学／英语考试题库历年高频考点版答案详解.docx,2024年辽宁铁道职业技术学院高职单招语文／数学／英语考试题库历年高频考点版答案详解 (图片可自由调整大小) 题型语文数学英语总分得分第I卷一.数学题库(共30题) 1.设向量a=（32，sinθ），b=（cosθ ... feeling light headed after workoutWebScribd is the world's largest social reading and publishing site. define fetishizedWebNov 12, 2024 · Find sin(2θ), cos(2θ), and tan(2θ) exactly. lysys lysys 11/12/2024 Mathematics College answered Suppose that sinθ=8/17 and θ is in the second quadrant. Find sin(2θ), cos(2θ), and tan(2θ) exactly. See answer Advertisement Advertisement tjclutterbuckozbvco tjclutterbuckozbvco feeling lightheaded after working out