Sign of Trigonometric ratio sin 159
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Answered by
0
The angles between 90 and 180 lie in the 2nd quadrant.
hence sin 159 lies in the 2nd quadrant and its sign is +ve.
Answered by
1
Sin is positive in first and second quadrant.
That means Sin is positive from 0° to 180°.
Since 159° comes between 0 and 180, sin 159° is POSITIVE.
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