Math, asked by shehzanw, 11 months ago

this is part of trigonometrical identities. it needs to be proved.

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Answered by sandy1816

3

Step-by-step explanation:

(cosecA-sinA)(secA-cosA)sec²A

=(1-sin²A/sinA)(1-cos²A/cosA)sec²A

=(cos²A/sinA).(sin²A/cosA).1/cos²A

=cosAsinA.1/cos²A

=sinA/cosA

=tanA

Answered by sujayraj24

0

Hey mate here is your answer.

Do mark BRAINLIEST.thanks

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