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How many of below given statements are correct? 1. sin2A = 2sinA.cosA 2.cos2A = sin2A−cos2A 3.tan A = 2tanA21−tan2A2 4. sin2A2 = 1 - cosA 5. tan2A = 1−cos2A1+cos2A 6. sin2A = 2tanA1−tan2A __

Answer»

How many of below given statements are correct?

1. sin2A = 2sinA.cosA

2.cos2A = sin2Acos2A

3.tan A = 2tanA21tan2A2

4. sin2A2 = 1 - cosA

5. tan2A = 1cos2A1+cos2A

6. sin2A = 2tanA1tan2A


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