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2 years ago

13

Verify the identity.

1 answer:

olga nikolaevna [1]2 years ago

3 0

Answer:

from left hand side:tan^2/secx=(,sin^2x/cos^2x)/(1/cosx)=sin^2x/cosx=sinx×sinx/cosx=sinx.tanx=right hand side.verified.

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