Math, asked by cbhaskarreddy, 9 months ago

Cos A ÷1 +sin + 1+sin A ÷ CosA
= 2 sec A​

Answers

Answered by Anonymous
6

pls refer my attachment:

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Attachments:
Answered by sakshamchand
1

Answer:

Step-by-step explanation:

cosA/1+sinA+1+sinA/cisA=2secA

cos2A+1+2sinA+sin2A/cosA(1+sinA)=2/cosA

since cos2A+sin2A=1

therefore

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

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

2/cosA=2/cosA

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