If `A+B=90^@` then find the value of `sin^2A+sin^2B+tanAtanB`

If A+B=90^(@) , then the value of sin^(2)A+sin^(2)B=

A and B are complementary angles, then find the value of sinAcosB+cosAsinB+2tanAtanB-sec^(2)A+cot^(2)B .

If A+B+C=pi/2 , then find the value of tanAtanB+tanBtanC+tanCtanA

If A+B+C=pi/2 , then find the value of tanAtanB+tanBtanC+tanCtanA

If sin A =3//5and0^(@)ltAlt90^(@) , find the values of sin 2A , cos 2A , tan 2A , and sin 4A.

If (A+B + C) =90^@ , then what is the value of sin (A/2) sin[(180-B-C)//2] + cos(A/2) sin(B+C) //2 ? यदि (A+B + C) =90^@ है, तो sin (A/2) sin[(180-B-C)//2] + cos(A/2) sin(B+C) //2 का मान क्या है?

If sinA+sin B = 2 when 0^@leAle90^@ , then find the value of (cosA+ cos B).

Find the value of (cos2B-cos 2A)/(sin2A+sin2B) :