Topic 42 Writing Trig Ratios

Front

What is the sine of 30 degrees?

Back

1/2

Tags

CCSS.HSF.TF.A.2

Front

What is the tangent of angle P in terms of sides p, q, and r?

Back

p/q

Tags

CCSS.HSG.SRT.C.6

Front

Can you use trigonometric functions on an obtuse triangle?

Back

No, you can only use trig functions on right triangles.

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Front

Find Cos(A) rounded to the nearest ten-thousandth if Cos(A) = 0.4706.

Back

0.4706

Tags

CCSS.HSF.TF.B.7

Front

What is the tangent of 30 degrees?

Back

√3/3

Tags

CCSS.HSG.SRT.C.8

Front

Define sine in terms of a right triangle.

Back

Sine is the ratio of the length of the opposite side to the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

Define cosine in terms of a right triangle.

Back

Cosine is the ratio of the length of the adjacent side to the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

Define tangent in terms of a right triangle.

Back

Tangent is the ratio of the length of the opposite side to the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is the relationship between sine and cosine?

Back

sin(θ) = cos(90° - θ).

Tags

CCSS.HSG.SRT.C.7

Front

What is the Pythagorean identity involving sine and cosine?

Back

sin²(θ) + cos²(θ) = 1.

Tags

CCSS.HSF.TF.C.8