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Mark the tick against the correct answer in the following:
The value of is
To Find: The value of
Now, let x =
cosec x =cosec (
)
Here range of principle value of cosec is [-]
x =
[-
]
Hence for all values of x in range [-] ,the value of
is
cosec x =cosec (
) (
cosec (
)= cosec (
) )
cosec x =cosec (
) (
cosec (
)= cosec(
))
x = -