Sine and Cosine Right Triangle

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

What type of triangle is the context of our study of trigonometry?

• right triangle

• isosceles triangle

• scalene triangle

• acute triangle

The ratio of the length of the side opposite of the angle to the length of the hypotenuse is the _____________

• Sine

• Cosine

• Tangent

The ratio in a right triangle of adjacent to hypotenuse is _____

• sine

• cosine

• tangent

• hypotenuse

Find the value of sin A.

• 3/4

• 5/4

• 5/3

• 4/5

What is the sinA = ?

• 6/10 = 3/5

• 8/10 = 4/5

• 6/8 = 3/4

• 8/6 = 4/3

What is sinC = ?

• 24/25

• 7/25

• 24/7

Find the value of cos C.

• 29/20

• 21/20

• 20/29

• 20/21

What is the ratio of Sin <D?

• sin<D = 4/5 = .8

• sin<D = 3/5=.6

• sin<D = 5/4 =1.25 

• sin <D = 5/3 = 1.7

Which is the correct applied ratio?

• A

• B

• C

• D