Math, asked by lyagarajitha64380, 7 months ago

evaluate sin50°/cos40° + cosec40°/sec50° -4cos50°cosec40°​

Answers

Answered by tamoghno62
0

Answer:

=sin50/cos40+cosec40/sec50-4cos50cosec40

=sin(90-40)/cos40/cosec(90-40)-4cos50cosec(90-50)

=cos40/cos40+sec50/sec50-4cos50×1/cos50

=1+1-4

=2-4

=-2

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