Trigonometry - Test Questions-ii

Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

Question:   If A+B=45, prove that (1 + tan A) (1 + tan B) = 2.

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Question 8

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Question 9

Question:   Prove that tan 70^o = tan 20^o + 2 tan 50^o.

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Question 10

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By componendo and dividendo