Math, asked by divyafancystore1, 10 months ago

cosa/1-tanA+sinA/1-cotA=cosA+sinA

Answers

Answered by sandy1816

0

Step-by-step explanation:

cosA/1-tanA + sinA/1-cotA

=cos²A/cosA-sinA + sin²A/sinA-cosA

=cos²A/cosA-sinA - sin²A/cosA-sinA

=(cos²A-sin²A)/cosA-sinA

=(cosA-sinA)(cosA+sinA)/cosA-sinA

=cosA+sinA

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