cos 30+ sin 60Q.27. Show that 1+ cos 60+ sin 602 – InterviewSolution

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cos 30+ sin 60Q.27. Show that 1+ cos 60+ sin 602

Answer»

cos30+sin60/1+cos60+sin60= cos30=V3/2; sin60=V3/2; cos60=1/2;; V3/2+V3/2/1+1/2+V3/2=v3/2+V3/2/2+1+V3/2=V3/2 × 2/V3=1

V3/2+V3/2=3/2;; 1+1/2+V3/2=2+1+V3/2=/=3+2/V3x 2/3=V3/2

cos30°+sin60°-----------‐------------------------ 1+cos60 + sin30

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