Trig Functions Missing Sides and Angles

Find x

• 20

• 5.9

• 33

• 42

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Choose the correct ratio.

• sin^-1(9/20)

• cos^-1(9/20)

• tan^-1(9/20)

• cos^-1(20/9)

Find the missing angle. Round answers to the nearest whole degree.

What is the sine of angle A in a right triangle if the opposite side is 3 and the hypotenuse is 5?

In a right triangle, if angle B is 30 degrees and the hypotenuse is 10, what is the length of the side opposite to angle B?

• 5

• 10

What is the cosine of angle C in a right triangle if the adjacent side is 8 and the hypotenuse is 10?

In a right triangle, if the opposite side to angle A is 7 and the adjacent side is 24, what is the tangent of angle A?

• 30

• 45

• 60

• 90

In a right triangle, if angle E is 45 degrees, what is the ratio of the opposite side to the adjacent side?

• 1

• 2