Math, asked by bhaveshchenani, 2 months ago

1+(1+cosA)(1-cosA)(1+cot^A) =2​

Answers

Answered by devanshushah69
0

Answer:

1+(1+cosA)(1-cosA)(1+cot^A) =2

L.H.S

1+(1-cos²A)(1+cot²A). {(a-b)(a+b)=a²-b²}

1+(sin²A)(1+cot²A)

1+([sin²A]+[sin²A cos²A/sin²A])

1+(sin²A+cos²A)

1+1

2

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