If a and to are mitt netcom and or ...
Question
If a and to are mitt netcom and or is 2le  b/w them there find the value of sinθ/2
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If a and to are mitt nectom and or is ( 2^{text {le }} ) b/w them there find the value of ( frac{sin theta}{2} )

JEE/Engineering Exams
Physics
Solution
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If a and to are mitt netcom and or is 2le  b/w them there find the value of sinθ2
Fullscreen

( vec{a} cdot vec{b}=|vec{a}||vec{b}| cos theta=cos theta )
( sin theta=sqrt{1-cos ^{2} theta}=sqrt{1-(vec{a} cdot vec{b})^{2}} )
( frac{sin theta}{2}=frac{sqrt{1-(vec{a} cdot vec{b})^{2}}}{2} )

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