Math, asked by sritejaswini9660, 1 year ago

1tanA-cotA=2sin²A-1/sinA.cosA

Answers

Answered by sandy1816

0

Step-by-step explanation:

2sin²A-1/sinAcosA

=2sin²A-sin²A-cos²A/sinAcosA

=sin²A-cos²A/sinAcosA

=sin²A/sinAcosA-cos²A/sinAcosA

=sinA/cosA-cosA/sinA

=tanA-cotA

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