Question

plz help Someone this is the trigonometry questions



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Answer 1

Answer:

let us assume that (A-B) as θ

let assume that (A+B) as θ₁

so sin(A-B) = sin θ

and cos(A+B) = cosθ₁

sinθ = 1/2

sin θ will be 1/2 when θ = 60°

cosθ₁ will be 1/2 when θ₁ = 30°

so therefore

(A -B) = 60°

(A+B) = 30°

by the process of elimination we get

2 A = 90°

so A = 45°

A + B = 60°

B = 60 -45

B = 15°

so A = 45° and B = 15°

Step-by-step explanation:

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