lA x Bl = √( 3 ) lA.Bl , then what is lA+Bl ?
Answers
Answered by
1
Answer:
√(A²+B²+AB)
Explanation
lAxBl = lAl lBl sin∅
lA.Bl = lAl lBl cos∅
putting these values in : lA x Bl = √( 3 ) lA.Bl
lAl lBl sin∅ = √( 3 ) lAl lBl cos∅
sin∅ = √( 3 ) cos∅
tan∅ = √( 3 )
∅ = 60°
lA+Bl = √(A²+B²+2AB.cos∅)
= √(A²+B²+2AB×1/2)
= √(A²+B²+AB)
Hope you understood and mark me the brainliest.
Answered by
0
Answer:
a+b
Explanation:
hope it will be helpful
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