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Cos2 theta / Sin 2 thetha – Cosecthetha + Sin thetha = 0 1/1+Sin A + 1/1-Sin thetha =2Sec2A

 
  1. Cos2 theta / Sin 2 thetha – Cosecthetha + Sin thetha = 0
  1. 1/1+Sin A + 1/1-Sin thetha =2Sec2A






 

Grade:9

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
8 years ago
Hint: For 1. simply take the LCM and use the general identities. Its easy to get 0.
For 2. Again take the LCM and try to use (a+b)(a-b) = (a2 – b2). Thanks.

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