find cos(s-t) given that cos s=-5/13, with s in quadrant 2, and sin t=8/17, with t in quadrant 2

Q: Find cos(s−t) given that cosine s =−5/13​, with s in quadrant​ II, and sine t=15/17, with t in…

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A: (a) cos-122 = cos-112 Let y = cos-112cos y = 12cos y = cos π4y = π4 Hence cos-122 = π4

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A: Since you have asked multiple questions in single request,  So we will be answering only first…

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Q: Find sin(s - t) given that sin s= -5 with s in quadrant IV, and sin t= with t in quadrant II.

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A: Since, it is given that cos (t)=-48and t is in the 3rd quadrant.Our Aim is to find sin (t)=?

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Q: Find sin(s−t) given that cos s = 13, with s in quadrant I, and sin t = −12, with t in Qu

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A: We have to find

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Q: Q1: Find the X- Value of the Trigonometric Equation. 5 sin nx - 7sin nx. cosnx + 10cos nx= 4

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A: Given : sin(s) = 3/5, sin(t) = -12/13, s is Q2 and t is Q4.   where,            cos(s) = √1-sin2(s)…

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Q: Find cos(s−t) given that cosine s =−513​, with s in quadrant​ II, and sine t=1517, with t in…

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Q: Find cos(s - t) given that cos s = -5/13 , with s in quadrant II, and sin t =15/17 , with t in…

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A: Given - cos(α)=817  , tan(β)=512α lies in IV quadrant. , β lies in I quadrant. To find sin(α+β).…

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A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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A: We have cosα+β=cos α cos β - sin α sin β tan α=-43⇒cot α=-34⇒cosec  α=1+cot 2α=1+916=2516=±54sin…

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Q: Q5. a) Suppose tan x = - and x is in the second quadrant. Then find: (i) sec x (ii) cos x (iii) sin…

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Q: 3) Find sin(s+ t) given that cos s = with s in quadrant I, and sin t = - with t in quadrant IV. 2

A: We are solving the first question and for the next question post the question again and also mention…

Q: Use the given information to find sin(s+t) cos s=3/5 and cos t=8/17, s and t in quadrant IV  sin…

A: In IV quadrant, trigonometric functions like sine, cosine, tan and cot are negative and cos,sec are…

Q: :- cos (a - B); sina for a in Quadrant II and cosB = for ß in Quadrant III. 4. %3D 2/3

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A: Given: (a)  sincos−122=?(b)  seccos−112=?

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A: 1.Cosine Sum Formula:- Cos(x+y)= Cosx*Cosy-Sinx*Siny 2.Sine function is positive in 4th quadrant.…

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A: Introduction: Derivative of some functions is given by, ddx(sin-1x)=11-x2ddx(logx)=1xddx(cosx)=-sinx

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Q: Find the exact value for the expression under the given conditions. 5 5 cos (a +ß), sin a = - for a…

A: Out of the six trigonometric ratios , two ratios are positive in 3rd quadrant i.e.tanx and cotx and…

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