Math, asked by sreedevipk22gmailcom, 1 year ago

answer for this plzzz..

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Answered by pranav11901

1

cos 70°=cos(90-20)=sin20°

cosec 35°=cosec(90-55)=sec 55°

tan5=cot 85

tan25=cot 65

sin 20/sin 20+cos55*sec55/cot85tan85cot65tan65

=1+1/1

=2

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