sin(h) dh 1+cos? (h)

Q: COS (+3 O cos x Ocos 2x O sin a Ocos z +x) + cos (-) is equivalent to:

A:

Q: Which expression is equal to cos(6t)?

A: Recall:  cos(2t)=cos2(t)-sin2(t)     Given,   cos(6t)

Q: r=2(9+1)sin0

A: Since  Sin (0) = 0

Q: Evaluate COS (2x)sin(2a)dx

A: We have to evaluate  ∫cos4(2x) sin(2x) dx.

Q: O Gra ph r- 8 + 8 Cose

A: We have to draw graph

Q: Find the value of cos (570)sin (510) + sin (- 330)cos (- 390)

A:

Q: |CoS tan-1 24 1꼭 + cos. -1 3

A:

Q: Cos(10+x)

A: Here , We will apply the formula of Cos ( A+B) Cos(A+B) = [CosA CosB - SinA SinB ]

Q: Cos h2

A: The given series is ∑n=1∞1n2cos1n. Let an=1n2cos1n. Note that, the bound of cosine function is…

Q: cos3(50) sin(50) de

A: To determine the integral.

Q: cos? 2. cos² COS x+ SIn' X I +tan2 x ´x

A: Given : cos2x+sin2x1+tan2x = cos2x

Q: Verify the identity (sin θ + cos θ)2 + (sin θ - cos θ)2 = 2.

A:

Q: 2 Cos h (중) Cos h(지) + 1 | %3D

A:

Q: s cos 3ede CoS |- sinb

A: follow next step

Q: Rewrite cos ( x –) in terms of sin(x) and cos(x) 3

A: we know that cos(x-y)=cos(x)cos(y)+sin(x)sin(y)

Q: cos x-4 da Cor X

A: The given integral is: I=∫cos3x-4cos x dx

Q: cos?x- tan2x = 2 – sin?x - sec?x.

A:

Q: cose de sin?0 + 4sin0 – 5

A:

Q: Q#12 Please prove that cos(a-ß) cos(a+ß) = (cosa cos 6)²-(sina sin 6)²

A: To prove: cos(α-β)cos(α+β)=(cosαcosβ)2-(sinαsinβ)2

Q: Simplify cos²(4y) - sin²(4y)

A:

Q: cos (0+ 90)

A: Given: cos0+90