prove the identy 1+ sin a/ 1-SIN =sec a _tan a
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Answer:1+sin a/1-sina
multiply with 1+sin a on numerator and denominator
(1+sin a )^2/1-sin^2 a
1+sin^2a+2sin a/cos^2 a
1/cos^2 a+tan^2 a +2sina/cos^2 a
sec a - tan a
Step-by-step explanation:
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