Basic Trig Ratios

Front

What are the basic trigonometric ratios?

Back

Sine (sin), Cosine (cos), Tangent (tan)

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for Sine (sin) of an angle?

Back

sin(A) = Opposite / Hypotenuse

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for Cosine (cos) of an angle?

Back

cos(A) = Adjacent / Hypotenuse

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for Tangent (tan) of an angle?

Back

tan(A) = Opposite / Adjacent

Tags

CCSS.HSG.SRT.C.6

Front

In a right triangle, which side is opposite to angle A?

Back

The side that does not touch angle A.

Front

In a right triangle, which side is adjacent to angle A?

Back

The side that touches angle A but is not the hypotenuse.

Front

What is the hypotenuse in a right triangle?

Back

The longest side opposite the right angle.

Front

If the opposite side is 6 and the hypotenuse is 10, what is sin(A)?

Back

sin(A) = 6/10 = 0.6

Tags

CCSS.HSG.SRT.C.6

Front

If the adjacent side is 8 and the hypotenuse is 10, what is cos(A)?

Back

cos(A) = 8/10 = 0.8

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 6 and the adjacent side is 8, what is tan(A)?

Back

tan(A) = 6/8 = 0.75

Tags

CCSS.HSG.SRT.C.6