What is the exact value of ?
Answer and explanation
Correct answer: C.
- Step 1: Use the special right triangles for 30 degrees.
- Step 2: tan(30 degrees) = sqrt(3)/3.
Answer
.
Why not the others: These are the exact values of other standard angle-function pairs; check which side ratio defines the function.
Practise more Geometry, vectors and trigonometry.
Free questions with an explanation for every one, and full timed Državna Matura (Montenegro) mock tests.
More Geometry, vectors and trigonometry questions
- What is the determinant of the matrix with rows (-3, -2) and (5, 2)?
- What are the center and radius of the circle ?
- What is the exact value of ?
- What is the determinant of the matrix with rows (4, 1) and (2, 4)?
- What are the center and radius of the circle ?
- What is the determinant of the matrix with rows (-2, 5) and (2, -3)?