cosec^(2)67^(@)-tan^(2)23^(@)+1 का मान ह...

`cosec^(2)67^(@)-tan^(2)23^(@)+1` का मान है :

A

`-1`

B

0

C

1

D

2

Verified by Experts

The correct Answer is:

D

cosec^(2)67^(@)-tan^(2)23^(@)+1 का मान है :
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"cosec"^(2)67^(@)-tan^(2)23^(@) का सरलतम मान क्या होगा ?
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सिद्ध करें कि "cosec"^(2)67^(@)-tan^(2)23^(@)=1.
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(iii)(cosec^(2)67-tan^(2)23^(@))/(sin^(2)17^(@)+sin^(2)73^(@))+(sin59^...
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2 cosec^2 23^@ cot^2 67^@ - sin^2 23^@-sin^2 67^@-cot^2 67^@ is equal ...
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cosec^(2) 67^(@) - tan^(2) 23^(@) का मान बराबर है
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cosec^(2)67^(@)-tan^(2)23^(@)+1 का मान है :
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