Q 1: Prove:
tan x + cot x = sec x csc x Answer:

Q 2: Prove:
tan^{2} x + 1 = sec^{2} x Answer:

Q 3: Prove:
sin x + sin x cot^{2} x = csc x Answer:

Q 4: Prove:
tan x/sin x = sec x Answer:

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Question 6: This question is available to subscribers only!

