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WBJEE 2025 Math Paper

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Question : 33 of 75
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be vectors of equal magnitude such that the angle between
→
a
 and
→
b
 is α,
→
b
 and
→
c
 is β and
→
c
 and
→
a
 is γ. Then the minimum value of cos‌α+cos‌β+cos‌γ is
Validate
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