The following quantity cos (7 -) = cos ( TT 6. sin(T/6) -cos(1/6) O -sin(T/6) O cos(T/6)

Q: -p² sin(w) cos?(w) – p cos² (») -p2 sin(4).

A:

Q: Differentiate the following function COS T 1 (a) sec(x) tan(x) (b) (c) sin (4x° + cos(x))

A:

Q: 6. sec (sin-1 x)

A: Interconversion

Q: cos x | = -dx =? 2 cos x+ sin x+3

A: Integral.

Q: QUESTION 2 For cos2(xy) =- evaluate y when x = 1. 4 3 6. 3

A:

Q: If sinx+cos x = 1/3, then 18 sin² X -9|=

A:

Q: 4 sec(8) = find cot(0) 2

A: Use trigonometric rations

Q: If cos(t) = 1. cos(2t) 4 = 2. sin(4t) = || || = where t = [0, 90], determine

A:

Q: If A = A-1 = 2e2t sin(5t) 2e²t cos(5t) 2e5t cos(5t) -2est sin(5t) , then 4

A:

Q: (2) Find the exact value of the following: (i) cos-(-) (ii) tan-V3 (ii) 2tan-1+ tan-1, (iv) sec…

A: (i) cos-1(-1/2) = 2π/3 (ii)tan-1(√3) = π/3

Q: dr os(-³/)| = ( In cos

A:

Q: 7. S (x-1+cosx) cos2(sinx+lnx)

A: We use substitution method to solve this integration

Q: cos x = sin 2x, x I SO 3.

A:

Q: Using the principal value find: 137. cos-"(cos) , csc-(-/2) cos-1(cos

A: Given: cos-1cos13π6

Q: (cos A + sin A)/(cos A - sin A) = (1+ sin(2A))/ cos(2A)

A:

Q: cos(4x) cos(2x) sin(4x) sec(2x) 12. Verify: - sin(2x)

A: cos(2x ) =cos2(x)-sin2(x) = 2cos2(x)-1 =1-2sin2(x) sin(2x) = 2sin(x) cos(x)

Q: cot cos + tan sin (cosec+ sec )(1 - sin cos)

A: To prove that the given relation is true

Q: (cos(20))(sin(0) + cos(8))ª de

A:

Q: cos(A) cos(B)

A: Our Aim is to find the value of cos A cos B=?

Q: Please answer this question within 5 minutes, I will rate you for sure.   sin(A)=(6)/(7) and…

A: Given sin(A)=67  Now, find cos(A)        cosA=1-sin2A                  =1-672                 =137…

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

A: Inverse

Q: 15(- + 16.5 2 = 15 cos 15 + 16.5 = 15 cos y = y = |

A: The first function is: y=15cosπ15t-π2+16.5 Second function is: y=15cosπ15t-152+16.5

Q: coS(T/11)-cos(2t/11)+cos(3t/11)-cos(4Tt/11)+cos(5rt/11)=?

A: To determine the value of the below expression. cosπ11−cos2π11+cos3π11−cos4π11+cos5π11

Q: 6. (a) 2 cos?t (b) 3 sin 2x

A:

Q: 4. sin sin 9T 8

A: To evaluate the following expression. sin-1sin-9π8 Note: Since, the student has mentioned to solve…

Q: 5- When the (1+cos 0 = 2 sine),the value of (0) from 0° to 360°.

A:

Q: True or False: cos(sin 0) = 1 and sin(cos0) = %3D

A: I have shown that given result is False.

Q: 12 (b) sec ( sin 13

A: Evaluate the form.

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.