Math, asked by virendernegi067, 6 months ago

Prove the Identity, If : 0° <Angle > 90°
COSA
1+sinA
+
2 secA
1+sina
COSA

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Answers

Answered by sandy1816

5

Answer:

Your answer attached in the photo

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Answered by samimpapa354

2

Answer:

cos ²A +(1+sinA)²/(1+sinA)cosA

= cos²A +1+2sinA+sin²A/(1+sinA)cosA

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

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

=2/cosA

=2secA

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