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(i) first quadrant
(ii) iv quadrant
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Step-by-step explanation:
Given angle is 750°
It can be written as 720°+30°
=>2×360°+30°
two complete rotations and 30°
we know that angles from 0° to 90° lies on 1st quadrant .
So it lies in 1st quadrant.
2)Given angle is -870°
It can be written as - (720°+150°)
=>-(2×360°+150°)
Two complete rotations and -150°
we know that angles from -90°to-180° lie in 3rd quadrant.
therefore -870° lie in 3rd quadrant.
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