5. If a,ß are acute angles such that 4 cos a 8 and tan ß =, find cos(a-ß) 15 () and sin

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A: First of all use the trigonometric identity that is cosα=1-2sin2α2 and now substitute -35 in place…

Q: (4) Find all the angles frem o to 360° which satisfy the equation COS X %3D

A: We have to find out the angle

Q: If cos 4x = cos 6y, which of the following is correct?

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Q: If a, B, y, ð are the smallest positive angles in ascending order of magnitude which have their…

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Q: 19 If x= cos 30 and y = sin 30 , then O a.-3 cot 30 O b. 3 tan 30 O C.-3 tan 30 o d.- cot 30

A: We have to find the differentiation like in the parametric form of differentiation . We have the…

Q: Find  sin?,cos?,???tan?sin⁡θ,cos⁡θ,andtan⁡θ  if  csc?=−2921csc⁡θ=−2921    and  cos θ < 0.

A: Given Cosecθ=2921and we have to calculate the value of sin(θ), cos(θ), tan(θ)

Q: In right triangle ABC, mZA = 30° and mZB = 90°. Which of the following are true? 1. sin(A) = sin(C)…

A: topic- trigonometric identities

Q: 무 2. If 270° <θ< 360° and cos θ %3D 를, find sin 을. O -4 6 O -4

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Q: 24 7.

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Q: 2.If a = 9, b = 12, and c= 15, what are sin A, cos A, and tan A?

A: Given triangle isa=9 , b=12, c=15

Q: Enter the EXACT value for each of the following. (a) cos( 0°) = and sin( 0°) = (b) cos( 45°) = and…

A: Answer is mentioned below

Q: A, = AP, cos (lot + 20) Az=APz sin (lot - 40) when A, lagS A, by 210, since A, may be written as :-…

A: If, X=B1sinωt and Y=B2sinωt-θ, then, it can be said that Y lags X by an angle θ .

Q: 17 5 with B in QIII, find 13 2. If sin A =with A in Ql and cos B a. cos(A + B) b. tan(A + B) C.…

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Q: If sin x= 1/3 and sec y = 17/15, evaluate cos (x+y)

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Q: -57 If 0 -, then 6. sin(0) = %3D cos(0) = %3D

A: θ=-5π6 find the value of  sin(θ) sinθ=sin-5π6 sinθ=-sin5π6 sinθ=12

Q: if sinθ= 2/√5, and θ terminates in QII, find cosθ.

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Q: If cos x = and sI< 27, then tan 2x %3D

A: Given,           cosx=45 , 3π2≤x≤2π.

Q: If w-f(a,b,c)=cos(ab)sin(b)+c, what is at -,6 )? 2 3

A: The given function is w=fa,b,c=cosabsinb+c and the point 12,π3,6. .

Q: If sin a: 1 then sec a =?

A: We can solve this by using trigonometric identities . We can use the identity sin2α+cos2α=1 . By…

Q: 3 = -- and A is a negative acute angle. 4 What is the value of cos - A if tan A = -

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Q: If COS 0 = √√3 2 ო sino = 9=1/1/21 FIN O sin0 = 1/14 2 O sin0 ine=-2/2 O sine= 11/13 2 == and < 0<-…

A: topic- trigonometric ratios

Q: If csc(x) = 6, for 90° <x < 180°, then %3D sin ) %3D CoS 2 %3D tan 82

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Q: 7 If cos x s and sin y = -0 < x <,n < y < *, evaluate sin(x – y) using compound angle formula. %3D…

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Q: If w=f(a,b,c)=cos(ab)sin(b)+c, what is at ( -,6

A: Given function and point is  w=f(a,b,c)=cos(ab)sin(b)+c and 12,π3,6

Q: 13 Suppose that sec and 270° <0 < 360°. 0 Ө Find the exact values of sin and tan 2 2 गंत

A: Solution of given question is written in below steps.

Q: In right ∆QRS, Angles Q and R are the acute angles. If tan Q = √51/7, determine cos R.   √51/10 ≈…

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Q: If cos t =-,what is cos 2t ? 4 |

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Q: If tan θ= (√2)/5 and π (greater than) θ (greater than) 3 π/2, find the exact value of cos 2 θ

A: We have to solve the trigonometry question

Q: 5 In right triangle DEF, if mLF = 90 and cos E = sin D is equal to

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Q: 5. 3 If tan B = - with * <B < 2n , find cos (2ß). %3D

A: It is known that in the first quadrant all trigonometric ratios are positive, in the second quadrant…

Q: 5 2. In right triangle ABC, mzB = 90°. If tan C = 12 find sin A

A: Trigonometry Right angled triangle problem

Q: If sin B = B in QI , find with B Cos 3– 2/2 Cos 3 + 3 COS 6 3- 22 6 cos 3 - 212 cos 3 3 + 3 CoS

A: Given that, sinB=13 Find the value of cosB2. We know the trigonometric formula's:…

Q: 1 In right triangle ABC, mZA = 30° and mZB = 90°. Which of the following are true? I. sin(A) =…

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Q: 8. If tan A = -1/7 and tan B = 3/4 , where A is obtuse and B is acute, find without using tables the…

A: Given that: tan A = -17tan B = 34

Q: If cos a = 0.565 and cos ß= 0.867 (both angles are acute),

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Q: d) For parts (d), (e) and (f), suppose u is in the interval (π/2 , π) and tan(u) = -2 Calculate…

A: Given,          tanu=-2

Q: If sin 0 3 with cos 0 < 0 , find: tan 0 Uint, l+ may cow the

A: We have to solve

Q: Suppose 0 is an angle such that cos(0) If 0 < 0 < T, then cos 5 2 and sin ) If п <0 < 2т, then cos 2…

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Q: 4 3. Given cos 0 determine tan 20 - -

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Q: If 4 | sin*ea cos cx dæ 0, 35 then c=

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Q: If cos (0) = - and sin (8) = -, where <0 <r and <B< 27, find cos (0 + B). 5 %3D %3D 13

A: Given,            cosθ=-35 and sinβ=-513 , where π2≤θ≤π and 3π2≤β≤2π

Q: 2. If cos 4A = 23/49, find tan A %3D

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Q: If sin B = 1 E with B in QIlI , find B sin В sin 3 + 22 = 2 5+2/6 sin 10 В sin 3 + 12 5+26 sin 10 В…

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Q: 12 If tan(@) 0Sos, then %3D sin(0) equals cos(0) equals sec(A) eguals

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Q: If z = os0+ I sin 0 and y= cos Isin p, then show that %3D 2 cos(@-).

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Q: 29. If sin (a) 3 5 -34 and cos<0, then tan = = 3 (b) (c) (d) 4 3 六

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Q: If tan A =ntan B and Sin A :m sin B. psove that co s A: m²-1 2.

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Q: If cos 0 = and 0 is acute, then cos 20 is

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Q: 5 If sin u = 13 12 cosu = 13 3 and cos W = 5 W = --, find the exact value of each of the following:…

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