If `cot (alpha + beta) = 0`, then `sin (alpha + 2 beta)` is equal to

IF cos ( alpha + beta ) =0 then sin ( alpha + 2 beta ) is equal to

If cot (alpha + beta )=0 , then sin(alpha+2beta ) =

If cot (alpha + beta )=0 , then sin(alpha+2beta ) =

If cot(alpha+beta)=0\ t h e n\ "sin"(alpha+2beta) is equal to a. sinalpha b. cos2beta c. cosalpha d. sin2alpha

If cos alpha + cos beta =0 = sin alpha + sin beta , then cos 2 alpha + cos 2 beta is equal to

If "cot"(alpha+beta)=0, then "sin"(alpha+2beta) can be

If "cot"(alpha+beta=0, then "sin"(alpha+2beta can be

If "cot"(alpha+beta=0, then "sin"(alpha+2beta) can be

If 5sin alpha=3sin(alpha+2 beta)!=0, then tan(alpha+beta) is equal to