Law of Sines & Trig Ratios

Front

What is the Law of Sines?

Back

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Front

If you are given the hypotenuse and an adjacent side, which trig function should you use?

Back

Cosine.

Tags

CCSS.HSG.SRT.C.6

Front

If you are given the opposite side and hypotenuse, which trig function should you use?

Back

Sine.

Tags

CCSS.HSG.SRT.C.6

Front

What is the sine ratio in a right triangle?

Back

The sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine ratio in a right triangle?

Back

The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent ratio in a right triangle?

Back

The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the sine of an angle using a right triangle?

Back

Sine is found by dividing the length of the opposite side by the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the cosine of an angle using a right triangle?

Back

Cosine is found by dividing the length of the adjacent side by the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the tangent of an angle using a right triangle?

Back

Tangent is found by dividing the length of the opposite side by the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is the value of sinA if the opposite side is 36 and the hypotenuse is 45?

Back

Tags

CCSS.HSG.SRT.C.6