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The value of (1 + sec 20^@ + cot 70^@ ) ...

The value of `(1 + sec 20^@ + cot 70^@ ) ( 1- cosec 20^@ + tan 70^@)` is :

A

0

B

`-1`

C

`2`

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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