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Question : 82 of 120
Marks:
+1,
-0
Solution:
Given that,
||=13||=5 and
⋅=30 ∵⋅=||||cos‌θ ⇒‌‌30=13.5‌cos‌θ ⇒‌‌cos‌θ=‌=‌ ⇒‌‌sin2θ=1−‌ ⇒‌‌sin2θ=‌ ⇒‌‌sin‌θ=‌ ∴‌‌|×|=||||sin‌θ =135⋅‌ =‌√133
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