CBSE BOARD X, asked by nirmp, 10 months ago

prove that sin²theta- cos²theta=2/2sin²theta-1

Answers

Answered by jhaaayushin

7

Answer:

use identity sin^2x + cos^2x = 1 .............. and I think you have mistyped the LHS

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Answered by Rosalie14

1

Answer:

heyyy

can we be friends???

please??

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