Trigonometry Basics

What is the sine of 30 degrees?

• 0.5

• 1.5

• 0.3

• 2.0

What is the cosine of 60 degrees?

• 2.0

• 0.25

• 1.5

• 0.5

Find the value of tan(45 degrees).

• 2

• 0

• 0.5

• 1

If sin(x) = 3/5, find the value of cos(x).

• 4/5

• 1/2

• 2/3

• 5/4

Solve for x: sin(x) = 0.8

• x = tan(0.8)

• x = sin(0.8)

• x = arcsin(0.8)

• x = cos(0.8)