Trigonometry Basics

What is the sine of 30 degrees?

• 2.0

• 1.5

• 0.5

• 0.3

Find the value of cos(60 degrees).

• 0.5

• 1.5

• 0.25

• 2

If tan(45 degrees) = 1, what is the value of cot(45 degrees)?

• 2

• 0

• 1

• 0.5

What is the relationship between sine and cosine?

• Sine and cosine are unrelated functions.

• Sine and cosine are equal functions.

• Sine is the reciprocal of cosine.

• Sine and cosine are complementary functions.

Solve for the hypotenuse in a right-angled triangle with opposite side = 5 and adjacent side = 12.

• 13

• 10

• 20

• 7