First slide

Trignometry

Question

$\sin (750^{\circ}) =$

Easy

A

$\frac{1}{2}$
B

$- \frac{1}{4}$
C

0
D

$\frac{\sqrt{3}}{2}$

Solution

$\sin (2 \times 360 + 30 °) = \sin 30 ° = \frac{1}{2}$

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