Missing Angles Trigonometric Ratios

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

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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

• sine

• cosine

• tangent

• secant

Tags

CCSS.HSG.SRT.C.6

Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Tags

CCSS.HSG.SRT.C.6

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21

Tags

CCSS.HSG.SRT.C.6

Choose the correct ratio.

• sin^-1(9/20)

• cos^-1(9/20)

• tan^-1(9/20)

• cos^-1(20/9)

Tags

CCSS.HSG.SRT.C.8

Choose the correct ratio.

• sin^-1(12/29)

• cos^-1(12/29)

• tan^-1(12/29)

• tan^-1(29/12)

Tags

CCSS.HSG.SRT.C.8

Find cosA

• 30/16

• 30/15

• 30/34

• 16/34

Tags

CCSS.HSG.SRT.C.6

Find cosC

• 34/16

• 30/34

• 16/30

• 16/34

Tags

CCSS.HSG.SRT.C.6

Find tanZ

• 28/21

• 35/28

• 21/28

• 35/21

Tags

CCSS.HSG.SRT.C.6

What is the correct ratio?

• sin 40 = 28/w

• tan 40 = w/28

• cos 40 = w/28

• sin 40 = w/28

Tags

CCSS.HSG.SRT.C.6