Question

Prove that

cos A ÷
1+sin A
+ tan A = sec A
​

Answer 1

Answer:

LHS cosa / 1+sina

cosa/1+sina×1-sina/1-sina

cosa×1-sina /1-sin^2a

cosa ×1-sina /cos^2a

1-sina/cosa

1/cosa -sina/cosa

seca -tana = RHS

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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