Complete the following table by using the relations between trigonometric ratios of complementary angles.

$q$	$0^{\circ }$	${30}^{\circ }$	${45}^{\circ }$	${60}^{\circ }$	${90}^{\circ }$
$\sin q$	$0$	.....	$\frac{1}{\sqrt{2}}$	.....	$1$

 

Complete the following table by using the relations between trigonometric ratios of complementary angles.

Express the following as trigonometric ratios of angles which lie between $0°$ and $45°$.

$\sin 56°$

Express the following as trigonometric ratios of angles which lie between $0°$ and $45°$.

$\tan 81°$

$\sec 73°$ can be expressed as trigonometric ratios of angles lying between $0°$ and $45°$ as _____$°$.

Find the value of the following.

$\frac{\cos 80°}{\sin 10°}$

Find the value of the following.

$\frac{\sin 37°}{2 \cos 53°}$

Find the value of the following.

$3 \sin 17°\sec 73°$

Find the value of the following:

$\sin 64°-\cos 26°$