Math, asked by hrithikraj6601, 11 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)

=(cosa+sina){sina/cosa+cosa/sina}

=(cosa+sina)(sin²a+cos²a/sinacosa)

=(cosa+sina/sinacosa)

=cosa/sinacosa+sina/sinacosa

=1/sina+1/cosa

=coseca+seca

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