Math, asked by sweet2145, 1 year ago

Please help me out with this question

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Answered by MOSFET01

1

2sin²A/cos²A+sin²A-1

given sin A=cos A squaring both side

sin²A=cos²A

2sin²/sin²A+sin²A-1

2(1)-1+sin²A

1+sin²A

acute angles are A<90°

MOSFET01: if wrong please comment here

sweet2145: Yes sir it is wrong

sweet2145: It didn't match with my book

sweet2145: I mean the answer

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