Q. 1 N4.0( 4 Votes )

# Find the values of the following trigonometric ratios:

Given

sin 4530° = 90° × 50 + 30°

4530° lies in the third quadrant in which the sine function is negative.

sin 4530° = sin (90° × 50 + 30°)

= - sin 30°

= -1/2

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