4 cos(0) cos (sin(0)) do

Q: Question in Image.

A: To Determine: Find the exact value :

Q: (cos(4x))^2=___+____cos=(___x)

A: By double angle formula , we have By taking A=4x, we get

Q: Express cos- (a) in terms of cos(2a). Express sin (a) in terms of cos(2a).

A: This question is of double angled identity.

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: 10. Find the exact value of cos 2x given that cos x =

A:

Q: 2 -3 sin x 2. Find + 4e*+3 dx. cos? x

A:

Q: 2 cos^2 x-sin x -1=0

A: 2cos2x-sinx-1=0⇒1-sinx-2sin2x=0⇒sinx=-1, sinx=12⇒x=3π2+2πn, x=π6+2πn, x=5π6+2πn

Q: (÷++) + co« (5 - ). cos 3 x ) is equivalent to O cos 2x cos x O sin x cos x

A:

Q: (1- cos 0)(1+ cos 0) = sin´ e

A:

Q: Verify the identity:

A: Our Aim is to verify the identity given below:-sin 3π2-x=-cos (x)  -(i)

Q: COS X 1. S 7+cos 2x

A:

Q: cos*x If S(cos³x ·B) dx = + C, what is the B? 4 А. - sin x C. - COS X . 1 В. D. sec x CSCX

A: We have to find the value of B in the given question.  This question can be done by using…

Q: 2 sin@ cos e-13 sin e= 0 %3D

A:

Q: Find integral.

A: The given integral ∫-8cosx-7sinx dx can be evaluated as, ∫-8cosx-7sinx dx=-8∫cosx dx-7∫sinx dx…

Q: 1 OP 1- sin 0+cos 0

A: Given integral is: I=∫11-sin θ+cos θdθ

Q: COS M + Sin n 2 secn COS n

A: we can solve by using trigonometric identities  Sin2x+cos2x=1

Q: sin e 1 cos 0 Multiply - by 1 + cos 0 1 - cos 0

A: According to the difference of squares formula, (a+b)(a-b)=a2-b2. Using the difference of squares…

Q: 2 - ƒ (t) = sin 0.5t + ²⁄t – 3 8 cos 32t

A:

Q: | 1' cos(T +1) dr. COS

A: using the integration by parts

Q: 9. cos (21) di 10. 11. sin'x cos's de 12.

A:

Q: Cos 8 + sin 0 sin 0 1 cos 0 cos 8 sin e

A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

Q: -5 sin x = -2 cos2 x + 4

A:

Q: cos e+1 csc e 3. 3. sin 0 1- cose

A:

Q: the sum of sin h 2x and cos h 2x

A:

Q: cos 2r Verify the identity: = cos x + sin x. sin x cos X

A: Verify the following: cos 2xcos x-sin x=cos x+sin x

Q: Estimate cos E- 0.1) + cos

A: Follow the procedure given below.

Q: 1- cos e sin 0 sin 0 1- cos 0 23.

A:

Q: -1 cos COS 2)

A: Given: - The expression is, cos-1-12 To Evaluate: - The solution of the given expression.

Q: = -1, find the value of can 0-1 sin 0 – 3cos e sin 0 + cos 0

A: Given thattanθtanθ-1=-1Sotanθ=-1(tanθ-1)tanθ=-tanθ+12tanθ=1tanθ=12

Q: Cos 9 2 Sin e cos8 © cos (e) cos o (d) cos'x + 2 Sinx + 2 = o

A:

Q: 3 1. cos x - 5 dx -3

A: The given integral is ∫-34 cosx-3x5dx. Evaluate as follows.

Q: (b) cos x = 0.549

A:

Q: Cos' 0-Sin' e 2 Cos o

A:

Q: (cos^4 x) - (sin^4 x) = cos2x   verify the identity

A:

Q: 39. cos (T + x) 40. sin (2m- xr) 學一) 37T 42. cos 41. sin -

A:

Q: cos e sin 0 for some real value of 0, and let B= -1 Let A = Consider x - sin 0 cos 0 Then ||(AB)x||…

A: Given,            A=cosθsinθ-sinθcosθ , B=0-1-10 , x=12To find : ABx

Q: π/2 0 sin³ cos Ode 0

A: This question is based on substitution method.

Q: Find sin 2' COS and tan 2 - 2' 1 and 0° < 0 < 90° cs 0 =

A:

Q: 1+ sin 0 b) coso coso 1- sin 0

A:

Q: 13) cos(74) = sin(x). Find x. %3D

A: O find the value of 'x'..

Q: cos(1339x) cos(1337x)+ sin(1337x) sin(1339x) =?

A:

Q: 1. [sin x cos 8.xdr

A: we are allow to solve oe question at a time

Q: 95х 3 5X dx b° sin CoS 6

A: The given integral is ∫03π5sin95x6cos35x6dx

Q: 8]. r = sin 0 -2 cos 0

A:

Q: (* sin - 2y cos )d = 0. dr+2ry cosdy COS

A: Find the attachment

Q: cos (x2 + 3x +5 ) COS

A: Solved below

Q: |2x cos (x² -5) х cos

A: To find value of ∫2xcosx2-5dx Solution: Let substitute t=x2-5 Differentiating both sides with…

Q: 50 a) Sin 25 b) Sin- Sinl0 =? Cosl0° Sin 5° = x, Cos 5° =y Sin 105° - ?

A: