1.

If sin alpha = A sin (alpha+beta), A ne 0 then The value of tan beta is

Answer»

`(SIN alpha(1+A COS beta))/(A cos alpha cos beta)`
`(sin alpha(1-A cos beta))/(A cos alpha cos beta)`
`(cos alpha(1-A sin beta))/(A cos alpha cos beta)`
`(cos alpha(1+A sin beta))/(A cos alpha cos beta)`

Answer :B


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