Question

Sin a=cos a is true when a=

Answer 1

Answer:

a=45°

Step-by-step explanation:

$\sin(45) = \frac{1}{ \sqrt{2} }$

$\cos(45 ) = \frac{1}{ \sqrt{2} }$

therefore,

$\sin(45) = \cos(45)$

Answer 2

sin45=cos45=1/root2 then a=1/root2 please mark be as brilliant