Math, asked by junaidhkhan, 9 months ago

i don't known this
please answer me

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Answered by arunshowry

0

Answer:

Step-by-step explanation:

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Answered by Mayank9313100903

1

Step-by-step explanation:

identity used :: cos2a =cos²a-sin²a

sin²a+cos²a=1

and tan a =sina/cosa

cot a =cosa/sina

see attachment for your answer

plz like the answer.....

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