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The value of (tan 29^@ cot 61^@-cosec^2 ...

The value of `(tan 29^@ cot 61^@-cosec^2 61^@)+cot^2 54^@-sec^2 36^@ +(sin^2 1^@+ sin^2 3^@ +sin^2 5^@+...... + sin^2 89^@)` is :
`(tan 29^@ cot 61^@-cosec^2 61^@)+cot^2 54^@-sec^2 36^@ +(sin^2 1^@+sin^2 3^@+sin^2 5^@+...... + sin^2 89^@)` का मान ज्ञात करें |

A

21

B

22

C

`22(1)/(2)`

D

`20(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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