Trigonometry

Front

What is the saying we use to remember the trig functions?

Back

SOH CAH TOA

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding the length of a side in a right triangle using sine?

Back

sin(θ) = opposite/hypotenuse

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding the length of a side in a right triangle using cosine?

Back

cos(θ) = adjacent/hypotenuse

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding the length of a side in a right triangle using tangent?

Back

tan(θ) = opposite/adjacent

Tags

CCSS.HSG.SRT.C.8

Front

If sin(θ) = 0.5, what is the angle θ?

Back

30° or 150°

Tags

CCSS.HSF.TF.B.7

Front

If cos(θ) = 0.6, what is the angle θ?

Back

53.13° or 306.87°

Tags

CCSS.HSF.TF.B.7

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

How do you find the missing angle in a right triangle?

Back

Use the inverse trigonometric functions: sin⁻¹, cos⁻¹, or tan⁻¹.

Tags

CCSS.HSG.SRT.C.8

Front

What is the relationship between the angles in a right triangle?

Back

The sum of the angles is always 180°, with one angle being 90°.

Tags

CCSS.8.G.A.5

Front

What is the sine of 90 degrees?

Back

1

Tags

CCSS.HSF.TF.A.2