cos 4x cos(-2x) – sin 4x sin(-2x)

Q: sin x dx cos3 x – 8 - 8

A:

Q: cos^2x/1-sinx=1+sinx

A:

Q: cos(2 tan−1(x))

A: Given,

Q: Establish each identity.

A: The given identity is,  1-cos θsin θ+sin θ1-cos θ=2 csc θ The objective is to establish the…

Q: Cos 40 x Cos 50 - Sin 40 x Sin 50.

A:

Q: sin(2r) dr 9- cos (2.x)

A: Integrate

Q: sinr cos (x - y) - cosx sin (x - )

A: As we know that the trigonometric identities: sinA-B=sinAcosB-cosAsinB   Given:…

Q: cos.2x 25. cos.x - sinx A sinx 3-.cos x + sinx C 2:cosx + sinx A - cos.x :D D cosx -2-sinx

A:

Q: sin(3x) cos(6x) – cos(3x) sin(6x) = -0.6 X =

A: There is trigonometric identity sinA-B= sinAcosB-cosAsinB

Q: (sin 5x + cos 5x)

A:

Q: Verify the identity.

A: 2cos⁻¹x = cos⁻¹(2x²-1) , 0 ≤ x ≤ 1 RHS = cos-1(2x2 - 1)Let cos-1(2x2 - 1) = AcosA = (2x² - 1)cosA +…

Q: CoS 2X sin x,co

A:

Q: Cos 3.x - cos 7x 53. sin 7x + sin 3.x cos tan 2r 54. sin = %3D

A: We can verify question no 53 as below

Q: Cos 2x cos X-sin 2x sin x=radical 3/2. Use 0

A:

Q: sin (90° – x) -0.2. What is cos (x)?

A:

Q: sin (3x) + cos (3x) cos(x) – =1+4sin(x)cos(x)

A: We use sin(3x)= 3sinx-4sin3x and cos (3x)= 4cos3x-3cosx .

Q: cos x 1+ sin x = 2secx 1+ sin x cos x

A:

Q: 3下 2 cos x 1-Sin x

A:

Q: cos x + sin² x + 1 dx cos² x (sin² x + 1)

A:

Q: / sin 3r cos 3xdx

A:

Q: sinx=-3/5, pi<x<3pi/2, and cosB=5/13, 3pi/2<B<2pi, find cos(x-B)

A:

Q: cos(x) – cos³ (x) = cos(x) sin²(x)

A: Here we use basic trigonometric relations,  We have,      Sin²(x) +Cos²(x) = 1         1— Cos²(x) =…

Q: cos 2x - 2 sin x- cosʻx=-3

A: Consider cos 2x-2 sin x-cos2 x=-3  . . . . . (1) We have cos 2x=2 cos2 x-1 . . . .  . . (2)

Q: sin4x substitution - cos 4x(2 – 3sec4x)

A:

Q: (cos x-1)(1+cos(-x))=-sin' x

A: cosx-11+cos-x=-sin2x

Q: + sin(x) = cos(x) 4x²

A: Concept:

Q: cos(sin1(0.8182)) O -1.4251 O -0.4251 O 0.5749 O 1.5749 O 2.5749

A: Inverse

Q: sin (2x) b. cos(2x)+ 1 = tan (x)

A: Prove

Q: (cos(3x) sin(x) – sin(3æ) cos(x)) da

A: In the given question we need to evaluate the integral- ∫cos3xsin(x)-sin(3x)cos(x)dx , which can be…

Q: Ask the paper questions 2-8

A:

Q: 1) cos- 1 2 3) sin-1 V3 5) cos-.

A: As per our guidelines we are supposed to answer only first three parts.kindly repost others part as…

Q: cos/ 3 17 cos (TA +x) tanx

A:

Q: sin 0- cos 0 = V2

A:

Q: cos(x+π6)+sin(x−π3)=______

A:

Q: cos² (In x) sin²(In x)

A: Given: I=∫cos2(lnx)sin2(lnx)xdx

Q: cos° (3x) sin (3x) dr

A: Given data:     The given integral expression is: .   Assume cos(3x)=t, and differentiate it both…

Q: sin(16x) cos(8x) =;(sin( x) + sin( -8 2))

A: Let the given trigonometric function be y - y = sin(16x)cos(8x)Divide and multiply by 2 on the right…

Q: sin - + cos x – 1 = 0

A: The equation is sin(x2)+cosx-1=0sin(x2)=1-cosx we know that cosx=1-2sin2 (x/2) so 1-cosx=2sin2(x/2)…

Q: Sin52x ×cos 42x=

A: Consider the equation

Q: VERIFY THE IDENTITY

A: By half angle formula , we have

Q: /(sin x+cos

A: We have to simplify of the given expression using the trigonometry formula

Q: cos x – 1.75 = -1 COS X sin(4x) = 2 – sin 4x 4 tan(2x) – 1 = 3

A:

Q: sin 3x cos“ 3xdx

A:

Q: 3 1 - dx 2 2. cos sin X

A: solution:-∫cos4xsin3x1x2 dxlet 1x=t-1x2dx=dt=-∫cos4tsin3t dtWe know that the formula  2cosAsinB =…

Q: cos 2x 17. cos x-sin x

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

Q: cos2x /(sin x+cosx)

A: cos2x(sinx+cosx)

Q: sin(3x)cos(3x) sin(2x) 의[cos(2x)-1]+ +C 12 8 4

A:

Q: Simplify

A: To express the given trigonometric function as an expression in x

Q: (sin x)(cos x + 1) = 0 if 0 < x < 2n. А. п/3, 2п/3 В. О, п

A: This question is taken from trigonometry in which we have to find the roots of the given…