Question

If $sin\left(x\right)=cos\left(y\right)$, then $x+y$ = ${45}^{\circ }$, write true or false.

• A. True
• B. False

Answer 1

The correct option is B False

$sinx=cosy$
$cos(90-x)=cosy$
$90-x=y$
$x+y={90}^{\circ }$
The given statement is false.