". Is (sin x+cos x)² = sin² x + cos²x an identity? (a) True (b) False

Q: 7. Evaluate sin(cos-¹(3))

A:

Q: Evaluate /(sin x)² (sec x)-3 dx. Select one: a. sin x – cos x + C - b. csc x + cos x + C C. None of…

A:

Q: 6. 2/10 2.

A: Solved below...

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A: Using Cos(A+B) formula

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A: Consider the given value and deduce it into the form of sum of angles:…

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A: The given term is:sinxcosxcotxcscx

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Q: -1 1

A: Given that cos(arcsin(-1))   we know that arcsin(-1) equal to π/2 or 3π/2

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Q: Prove. COSO-COS (30) Sin-Sin (30) -tan (20)

A: This question can be solved using the concept of trigonometry