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sin150-cos150

SEELA YUVARAJU , 9 Years ago
Grade 12
anser 1 Answers
Nikhil Upadhyay

Last Activity: 9 Years ago

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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