What is the value of sin 30° + cos 60°?

Q: What is the value of sin 30° + cos 60°?

The correct answer is B. sin 30° = 1/2 and cos 60° = 1/2. Therefore sin 30° + cos 60° = 1/2 + 1/2 = 1. Remember: sin 30° = cos 60° because complementary angles have equal sine and cosine values (sin θ = cos(90°-θ)).

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Accepted Answer

sin 30° = 1/2 and cos 60° = 1/2. Therefore sin 30° + cos 60° = 1/2 + 1/2 = 1. Remember: sin 30° = cos 60° because complementary angles have equal sine and cosine values (sin θ = cos(90°-θ)).