Question

*Given that sin α = 1/2 and cos β = 1/2, then the value of (α + β) is ……………*

1️⃣ 0°
2️⃣ 30°
3️⃣ 60°
4️⃣ 90°​

Answer 1

Answer:

We have Sin(30°) = 1/2 and so α is 30°

then cos(60°) = 1/2 and so β is 60°

(α + β) = 90

Hope it helps.

Mark Brainer.

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Teacher.