Math, asked by ritu16829, 1 year ago

Please tell me question number 9
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Answered by khushisethi85
1

Step-by-step explanation:

Cos is changed into sin because angle is 270. But cos doesn't changed when the respective angle is 360.similarly cot changed into tan when the angle is 270.

If ur doubt is not cleared then please comment below....

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Answered by YQGW
1

Step-by-step explanation:

plzzzzzzzzzzzzzzz refer the pic

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