6. 2 sin 0 + sin 20 = 0

Q: tan(sin-14/5+cos-11)

A: The given trigonometric expression is

Q: 5. (tan2x + cot2x)² dx

A:

Q: sin⁡ 7π/6

A: Find the exact value of sin⁡ 7π/6.

Q: True or False: sin- (sin æ) = x for all possible values of x. True False

A:

Q: 3 X 1 Sinx

A: Step 1: Step 2: Step 3: Step 4:

Q: Find sin 5, given that sin x = 2 i and 0<x<5.

A: Here  sin x=14⇒cos x=1-sin2x              ⇒cos x=1-116              ⇒cos x=154 Now, sin2x2=1- cos x2…

Q: How does sin 15 ° = ((√2-(√3))/2

A:

Q: dr de sin - r- cos + eª cos = 0

A:

Q: 4 Evaluate tan sin

A:

Q: 4л coS 씀Cos 즙Cs -sin sin 15 15 15

A: We have to find the exact value cosπ15cos4π15-sinπ15sin4π15.

Q: { 8. (sin@ + cos@)²

A:

Q: Prove that sin? 0 + cosª 0 = sin“ 0 + cos² 0.

A: Using fundamental identity of trigonometry.

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.