Math, asked by utkarshabhalbar, 9 months ago

1÷1-cosa+1÷1+cosa=2cosec2a

Answers

Answered by sandy1816

0

Step-by-step explanation:

1/1-cosA+1/1+cosA

=1+cosA+1-cosA/1-cos²A

=2/1-cos²A

=2/sin²A

=2cosec²A

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