Question-126987

Question Number 126987 by sdfg last updated on 25/Dec/20

Answered by mr W last updated on 26/Dec/20

Q 4

C = α A + β B

∣ C ∣= \sqrt{α^{2} ∣ A ∣^{2} + β^{2} ∣ B ∣^{2} + 2 α β ∣ A ∣∣ B ∣ \cos θ}

Commented by mr W last updated on 26/Dec/20

Q 5

a_{x} =∣ A ∣ \cos θ

a_{y} =∣ A ∣ \sin θ

Commented by sdfg last updated on 31/Dec/20

p l e a s e m o r e d e t a i l

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