If tanA=CotA,then find the value of cosA+SinA

Question

of tanA=CotA, then find CosA+SinA

Answer 1

Tan A = Cot A when A = any odd multiple of pi/4 radians. In the first and third quadrants, sin A + cos A = ±√2; in the second quadrant, where cosine is negative but sine is positive, this sum is zero, and the sum is also zero in the fourth quadrant.