If `sin A+3cos A=0` ,then `tan2A` equals to

What is sin A cos A tan A + cos A cot A equal to ?

If tan A= (1- cos B)/(sin B), then tan 2A is equal to

If sin x+sin y=a and cos x+cos y=b, then tan((x+y)/2 ' is equal to

What is sin A cos A tan A+ cos A sin A cot A equal to ?

If 3 sin theta=4 cos theta , then tan^2 theta+sin theta-cos theta is equal to : यदि 3 sin theta=4 cos theta , है, तो tan^2 theta+sin theta-cos theta का मान किसके बराबर है?

If tan A=(1-cos B)/(sin B) , then tan3A is equal to

In the triangle ABC if sin C cos15^(@)cos A+sin15^(@)sin A=1 then sin C+tan A tan B is equal to