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CBSE Class 10 Answered

prove that 1+tan2 A/1+cot2A=[1-tanA]2/[1-cotA]2=tan2A
Asked by | 02 Mar, 2009, 04:48: PM
answered-by-expert Expert Answer

We have used the formula for tan2A.

Answered by | 03 Mar, 2009, 08:43: AM

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