16Hit1600
Geometry and TrigonometryMediumSum of two special-angle values

Geometry and Trigonometry practice question

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

Answer: 1

sin 30° = 1/2 and cos 60° = 1/2 (the two are equal because 30° and 60° are complementary). Their sum is 1.

Common wrong answers

If you answered 0
0 would need the two values to cancel; both are positive.
If you answered 0.5
0.5 is either term alone.
If you answered 1.37
1.37 is about sin 30° + cos 30° (0.5 + 0.87); the second term is cos 60°.

More Geometry and Trigonometry questions

Not affiliated with the College Board. SAT is a trademark of the College Board.