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hey frnd here is ur ans
see the attachment
see the attachment
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mms14:
I didn't get the last step
I split cot square theta to cot theta * cot theta one cot theta was cancelled left was 2/cot theta we know that 1/cot theta =tan theta so 2/cot theta is 2tan theta
hope you get it now
Please do it in paper
Ohk
Thanks
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