Math, asked by Naveen1810, 1 year ago

please answer this. I will mark you as brainliest

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Answered by thefiend

1

Answer:

following identities are used :

cos2a + sin2a =1

1+tan2a =sec2a

1+cot2a=cosec2a

.........

hope it helped....

mark as brainliest please

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