How for angles between 90 and 180 degrees sin(x) = sin(180 - x)?
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Hey!
Because sin is positive in 2nd quadrant which lies from 90° to 180°.
That is why sin(x)= sin(180°-x).
sin(90°)=sin(180°-90°).
sin(90°)=sin(90°)= 1
Hope it helps.
Because sin is positive in 2nd quadrant which lies from 90° to 180°.
That is why sin(x)= sin(180°-x).
sin(90°)=sin(180°-90°).
sin(90°)=sin(90°)= 1
Hope it helps.
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