The value of the trigonometric function...

The value of the trigonometric function `c o s e c(-1410^@)`. is

A

`sqrt3/2`

B

`-sqrt3/2`

C

`1/2`

D

`-1/2`

Verified by Experts

The correct Answer is:

A

Given that,
`cosec (−1410^@)`
`= cosec (−4×360^@+30^@)`
`= cosec30^@`
...

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