Math, asked by vinit36, 1 year ago

sin 70/cos20+cosec20/sec70-2 cos70×cosec20

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Answered by hvghori

31

Sin70/cos(90-20) + cosec20/sec(90-70) - 2*1/sec70 * cosec20

:. Sin70/sin70 + cosec20/cosec20 -2*1/sec(90-70) * cosec20

= 1+1-2*1/cosec20 * cosec20

=2-2

=0

Answered by kumarikhushi

10

here is your solution hope I will help you

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