Which of the following is a valid expression for cos ¹ x? 04-sin-¹ a 01/2+ + sec¹ a 1 sec-1 01- (sin-¹7) ²

Q: cose = +V(sin?0 - 1) O +V(1 + sin?e) O +V(1 - sin?e)

A:

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

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

Q: snip

A: Given: The equation is sin 4θ = cos θ4 sin θ - 8 sin3 θ .

Q: Verify the identity: cos2 x - sin2 x = 2 cos2 x - 1

A:

Q: -co e-tsint (1) Evaluate f tsint dt t

A: Given integral is ∫0∞e-tsinttdt. Evaluate the integral ∫0∞e-tsinttdt.

Q: 10 - The value of x²J₁(x) x³ J(x) dx is. x-0 a) 8 (2) b) 81₁(2) c) 8/₂ (2) d. 8], (2)

A: To express: J4x  in terms of J0x and J1x Bessel's function: Jnx=∑r=0∞-1rx2n+2r1Γn+r+1 r! Series…

Q: п/4 sin7x + 1 dx cos?x - π/4 Select one: а. 2 b. 4 С. 1 d. 0

A:

Q: Find the exact value of tan [ 2 sin-1 (-12/13) ]

A: Given,  tan 2 sin-1-1213  We have to find the exact value of the above expression

Q: 1 1. Use basic identities to simplify the expression secx cos x + cos x secx

A: Since the student has posted multiple questions and does not mention any specific question, so we…

Q: Find L(sin3t cos3t)

A: We have to find L{sin3tcos3t}

Q: Ptz 1. sin x secx = tanx 2. cos² x-sin2x-1-2 sin²x Pt₂

A:

Q: (1 + cos ?)(1 − cos ?)=sin2 ?

A: TO SHOW 1−cosx1+cosx=sin2x

Q: 3下 2 cos x 1-Sin x

A:

Q: -5 sin x = -2 cos2 x + 4

A:

Q: Simplify sin(7 − a) + sin tan(π + a) Select one: a. b. OC. 1 + sina sina + tana tana Od. 1 + tana…

A:

Q: Tan (690) × cos(-510)

A: To find: The value of . Formula used: Trigonometric reduction formula:

Q: Verify the identity : cos(α - β)/(cos α .sin β) = tan α + cot β

A: Given : cosα - βcosα sinβ = tanα + cotβ

Q: Simplify the expression. cos?( – s) V1- sin?(z) = %3D

A:

Q: 1/2 sin e cos (cos a cosec 0) de TC (1-cos a).

A: Note that we have to show that the integral value is  π2(1 - cosα).

Q: (1) Find the exact values, without using a calculator, of sin (2r), cos (2r) and tan(2r) if tan (r)…

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Q: Verify that it is an identity  (1-sec/tan)+(tan/1-sec)=-2csc

A: We will simplify left side and make it equal to right side