1.

If sin alpha=A sin(alpha + beta), A ne 0,then: Which of the following is the value of tan (alpha+beta)= ?

Answer»

`(SIN beta)/(sin beta - A )`
`(sin alpha COS alpha)/(A cos beta - sin^(2)alpha)`
`(sin alpha cos alpha)/(A cos alpha cos beta)`
`(COSALPHA(1+A sin beta))/(A cos alpha cos beta)`

Answer :A


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