1.

If b lt 1. sin t lt0.cos t lt 0 and log_(b) (sin t)=x, then log_(b) (cost) is equal to

Answer»

`(1)/(2)log_(b)(1-b^(2^(X)))`
`2log(1-b^(x//2))`
`log_(b)SQRT(1-b^(2X))`
`sqrt(1-x^(2))`

Answer :A::C


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