Special Right Triangles and Trigonometry

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

• 12.4 ft

• 11.3 ft

• 22.3 ft

• 49.1 ft

Which Trig function would you use to solve for x ?

• Cosine

• Sine

• Pythagorean Theorem

• Tangent

The ratio in a right triangle of opposite to adjacent side is _____

• sine

• cosine

• tangent

• inverse cosine

Which ratio would you use to solve for x?

• sine

• cosine

• hypotenuse

• tangent

Which equation would you use to solve for x?

• sin 62 = 10/x

• tan 62 = 10/x

• tan 62 = x/10

• cos 10 = x/62

Which equation would you use to solve for x?

• sin 58 = x/19

• cos 58 = x/19

• sin 58 = 19/x

• cos 58 = 19/x

Which represents the value of x?

• 19*cos 55

• 19/sin 55

• 19*sin 55

• 19/cos 55

Find the value of sin Z.

• 17/8

• 8/15

• 17/15

• 15/17

What would be the next step to solve for x?

• Multiply both sides by cos 75

• Divide both sides by cos 75

• Divide both sides by 75

• Multiply both sides by 11

Which trig ratio would you use to solve for x?

• sine

• tangent

• cosine

• hypotenuse