Explain me these trigonometrical steps plz
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In 1st quadrant angle is 0-90
in this region sine will be +ve I.e, 0-1
also cos will be +ve I.e, 1-0
in 2nd quadrant angle is 90-180
in this region sin range is 1- (-0) I.e, it involves -ve values like -1/2,-√3/2
for cos also they are same
in this region sine will be +ve I.e, 0-1
also cos will be +ve I.e, 1-0
in 2nd quadrant angle is 90-180
in this region sin range is 1- (-0) I.e, it involves -ve values like -1/2,-√3/2
for cos also they are same
sampathlam:
i think you are able to understand now
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The answer is explained in the attachment.
Hope it helps!
Hope it helps!
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thx sid
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