Math, asked by pushpalathapenta1986, 9 months ago

sina(1+tana)+cosa(1+cota)=seca+coseca

Answers

Answered by sandy1816

1

Step-by-step explanation:

sina(1+tana)+cosa(1+cota)

=sina(cosa+sina/cosa)+cosa(sina+cosa/sina)

=(sina+cosa)(sina/cosa+cosa/sina)

=(sina+cosa)(1/sinacosa)

=sina/sinacosa+cosa/sinacosa

=1/cosa+1/sina

=seca+coseca

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