Math, asked by rajivthakur877, 8 months ago

1+ sinA ÷ cosA + cosA ÷ 1+ sin A = 2 sec A

Answers

Answered by sandy1816

5

Step-by-step explanation:

(1+sinA)/cosA + cosA/(1+sinA)

=(1+sinA)²+cos²A/(1+sinA)cosA

=1+2sinA+sin²A+cos²A/(1+sinA)cosA

=2(1+sinA)/(1+sinA)cosA

=2/cosA

=2secA

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