Math, asked by Ganga1111, 1 year ago

cos A= 2/5 find 4+4 tan^2A

Answers

Answered by saurabhsemalti

2

cosa=2/5
sina=√1-(4/25)=√21/5
tana=√21/2
4+4tan^2 a
4+4(21/4)=25

Ganga1111: Thank you so much

saurabhsemalti: welcome

Ganga1111: it's OK

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