Grade 12Trigonometry
sin150-cos150
sin150-cos150
1 Answer
Nikhil Upadhyay
sin 150=sin (180-30)=sin30=1/2
cos 150=cos(180-30)=-cos 30=-1/2
therefore, (1/2)-(-1/2)=(1/2)+(1/2)=1ANS
PLZ APPROVE.
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