Question

if tanA =1/root 2 then A =​

Answer 1

Answer:

tan (A) = 1/√2

tan (A) = cos 45° (cos 45° = 1/√2)

(sin/cos) (A) = cos 45°

(sin/cos) A = sin (90° - 45°)

(sin/cos) A = sin 45°

1/cos A = 45°