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➡️ Answer is in attachment.
hope this helps :)
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divyanshu84:
can you please tell why you can't take negative sign
where ?
in equation a2+b2+2abcoso
it's formula dude .. there is no negative sign present in that formula ... as it depends upon the given angle ( theta ) ..
it's formula
see I've written there formula of resultant vector.
ok
any doubt ?
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