Trigonometry Triangle

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Tags

CCSS.HSG.SRT.C.6

In relation to the angle θ, label the side marked a in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Tags

CCSS.HSG.SRT.C.6

In relation to the angle θ, label the side marked b in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Tags

CCSS.HSG.SRT.C.6

cos B = ? Remember: Cosine ratio is adjacent/hypotenuse

• 12/13

• 12/5

• 5/13

• 5/12

Tags

CCSS.HSG.SRT.C.6

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the cosecant of angle C?

• 25/24

• 25/7

• 7/24

• 24/7

Tags

CCSS.HSG.SRT.C.6

Find the measure of the angle.  Round to the nearest tenth. 

• 30.8

• 32.1

• 34.3

• 36.9

Tags

CCSS.HSG.SRT.C.8

What is cos(B)?

• a/c

• b/c

• a/b

• b/a

Tags

CCSS.HSG.SRT.C.6

What is cos(A)?

• a/c

• b/c

• a/b

• b/a

Tags

CCSS.HSG.SRT.C.6

If I asked you to make a fraction of adjacent/hypotenuse according to <B, which would be correct?

Tags

CCSS.HSG.SRT.C.6