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निम्नलिखित का मान है ? ((sin47^(@))/(c...

निम्नलिखित का मान है ?
`((sin47^(@))/(cos43^(@)))^(2)+((cos43^(@))/(sin47^(@)))^(2)-4cos^(2)45^(@)`

A

1

B

`(1)/(2)`

C

`-1`

D

0

लिखित उत्तर

Verified by Experts

The correct Answer is:
d
`((sin47^(@))/(cos43^(@)))^(2)+((cos43^(@))/(sin47^(@))^2)-4xx(1)/(2)`
`=1+1-2`
=0
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