Math, asked by kusuma38, 1 year ago

coshx= seco then prove that
tann²​

Answers

Answered by kumarnithish515
1

Answer:

cosec=sec

=1/sin=1/cos

s.o.b.s

=(1/sin)²=(1/cos)²

cross multiply

=sin²/cos²

=tan²

hence proved

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