6). S sin 20 cos 50 de

Q: 8. In ARST, mZT = 90, RS = 13, and ST = 12. Find tan S. %3D

A: tan(S) = ?

Q: 21 · 8* cos (8*) dx =

A: ∫21*8xcos(8x)dxSubstitute u=8x→dudx=ln(8)*8x→dx=1ln(8)*8xdu=21ln(8)∫cos(u)du

Q: **#1.) In triangle JKL, mZK = 90° and tanl = Determine the value of cos). %3D

A:

Q: a 48° A C O cos(42) = %3D 9. O cos(48) - sin(42) sin(48) C. O tan(42) = O tan(48): 40

A: By the angle sum property the third angle is, x=180-90-48=42 Thus angle B is 42 degree (1) cos42=bc…

Q: 2+7 sin z 3. dz cos? z

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: sin (+) can be expanded to: π TT O sin COS sin sin 4 7 TT O sin sin COS cos 4 T Osin COS + cos sin…

A: Solved below.

Q: b) cos(-z)=?

A: In the question we have to find the angle of cosine which is lying in third quadrant as cosine is…

Q: By expanding sin (2x + x) and using double angle formulae, show that sin 3x = 3 sin x – 4 sin'x.…

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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: Value of L is 16 $3+9s 16 O(1 + sin 31) 16 O (1 + cos 3t) 16 (1+ cos 3t) 3 (1 - cos 3t)

A:

Q: 3. e<4TI. 2. ind 3. where when tan e = -

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Q: Show that (cos 0 + i sin 0)" = cos n0+ i sinne for n = 3 and n = 4.

A: Since you have asked multiple question, as per company guidelines we will solve the first question…

Q: in (180°) = cos (180°) = %3D tan (180°) = cot (180°) = %3D sec (180°)

A: Please refer to the image below

Q: 2 sin 3a+35in 3otl =0

A:

Q: 3. Compute : exp(i sin(e¯ni)).

A:

Q: S sinrdr In(cosr – 3) ° cosr -3

A:

Q: Find the crea trom X = 0 to 2 rad y=2 sin '/2 Tr x.

A:

Q: 3. sin 27° =cos ? cos 73° cos 153° cos 27° cos 63° O O O O

A: To find equivalent of sin27

Q: St cos(21)°dt

A: Given,  ∫tcos2t2 dt  We have to find the integral.

Q: – 27 then If 0 3 sin(0) = cos(8) =

A:

Q: 3. sin 30 cos 0 de 21/40 14/25 O9/16 O 23/40

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

Q: 1. Express each as a single trig ratio. a) Gos 20a cos 5a- sin 2 Oasin 5a b) sin 95° cos 45°- cos…

A:

Q: (b) в — р2'а, + psin'ф а, + 2pz sin' ф а, sin²o as + 2pz sin*ф а,

A: The complete solutions are given below

Q: Find the length of the path over the given interval. (6(0 – sin(0)), 6(1 - cos(0)),

A:

Q: 3. Compute : exp(i sin(e¬ni)).

A:

Q: 3. In (cos)

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Q: a) By expanding sin (2x + x) and using double angle formulae, show that sin 3x = 3 sin x - 4 sin°x.…

A: Evaluation of the definite Integral

Q: tan 5, given sin 0: 3 270° <0 < 360° 5

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Q: 7) 300° Pos Neg Sin Cos

A:

Q: 2) cos(40") =? Let "u"= 20° and "v"= 20°

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Q: iven that (1-cos(theta))/2=0.7, find csc^2(theta/2)

A:

Q: cos Ꮎ 1 + tan 0 sin Ꮎ 1 + cote = cos 0 sin 0 Suppo pat bus to as to

A: Left side is given by :cosθ1+tanθ-sinθ1+cotθ

Q: Find the length of the path over the given interval. (5(0 - sin(0)), 5(1 – cos(0)) ), 0 < 0 < 2n

A:

Q: 10 de cos(0) – 1

A:

Q: 57 then If 0 = sin(0) = %3D cos(0) = %3D

A: Given θ=5π6

Q: We have - (cos (u) du=

A:

Q: Express as a sum or difference:4 sin 3 θ cos 7 θ

A: Consider the provided expression, 4sin3θcos7θ Express as a sum or difference. Use the formula of…

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: 7x sin 4 %3D nswer, including any

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Q: /2 Evaluate using Wallis' Formula: sin5 x cos6 x dx

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Q: 10. 3 sin 30 cos Od0

A:

Q: Pe(cos 6) = orove that: PL(1) = 1, PL(-1) =(-1)'.

A: Given, PLcosθ=1L!∂L∂tL1-2tcosθ+t2-12t=0

Q: is it right to say cos (60o-30o) = cos60o .cos 30o+ sin60o.sin30o?

A: cos(A-B)=cosA.cosB+sinA.sinB

Q: 2)50lve For Oso<27 -13 Sin n a =Coso

A: