Find Angles and Sides with Sin, Cos, Tan

What can you find with trig ratios (sin, cos, tan)?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

Which is the ratio of the opposite leg to the hypotenuse in a right triangle?

• sine

• cosine

• tangent

• secant

Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21

FInd tan X

• 32/40

• 40/24

• 32/24

• 24/32

What is the sine of the 19 degree angle?

• 7/8

• 7/2

• 2/8

• 2/7

Find the angle measure.

• A

• B

• C

• D

What is the sine of the 19 degree angle?

• 7/8

• 7/2

• 2/8

• 2/7

Find t to the nearest degree using sin

• 30

• 40

• 31

• 41

• 35

• 60.9

• 45

• 35.6

• 99.2

• 75