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The value of the expression cosec (85^@+...

The value of the expression `cosec (85^@+theta)- sec(5^@-theta)-tan (55^@+theta)+cot(35^@-theta)` is:
व्यंजक `cosec (85^@+theta)- sec(5^@-theta)-tan (55^@+theta)+cot(35^@-theta)` का मान है :

A

`3/2`

B

0

C

`-1`

D

1

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