If `tan A=1`
then find the value of , `(cos A+sinA)^(2)=?`

If sinA=cosA,then find the value of sin 2A.

If tan A =a/b , then find the value of ("a sin A- b cos A")/("a sin A + b cos A") .

Let A,B,C be the three angles such that A+B+C=pi , tan A.tan B=2 , then find the value of (cos A cos B)/(cos C)

if sinA=1/2 , then the value of cot A

If sec A= 2, then find the value of (1)/(cotA)+(cosA)/(1+sinA)

Find the value of ("cosec"^(2)A-1)*tan^(2)A .

If cos A =(1)/(3) ,then find the values of sin A and tan A.

Find the value of: tan^(-1)[2cos(2sin^(-1)1/2)]

If sec A = sqrt2 , find the value of : (3 cos^2 A+5 tan^2A)/(4 tan^2 A - sin^2A)

If sin theta = cos theta find the value of : 3 tan ^(2) theta+ 2 sin ^(2) theta -1