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Question
Find the degree measure corresponding to the following radian measure.
-3
Solution
We know that, one radian = `180^circ/pi`
`- 3 = 180^circ/pi xx - 3`
`= (180 xx - 3)/(22/7)`
`= (- 180 xx 3 xx 7)/22`
`= (-90 xx 3 xx 7)/11`
= -171.81°
= -171°48′ ....(∵ 0.8° = (0.8 × 60)’ = 48′)
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