Sides and Trig Function

Find the value of x. Round to the nearest tenth. 

• 12.2

• 14.6

• 16

• 15.4

What would you use to solve for a?

• sine

• cosine

• tangent

• Pythagorean Theorem

Which of the following is correct for finding the measure of angle Z?

• ∠Z = tan^-1 55/48

• ∠Z = sin^-1  48/55

• ∠Z = cos^-1  55/73

• ∠Z = tan^-1  48/73

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Find x

• 20

• 5.9

• 33

• 42

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