Right Triangle Trigonometry

Which trigonometric function is the opposite over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Sine is written as sin(x).

Tags

TEKS.MATH.G.9A

Which trigonometric function is the adjacent over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Cosine is written as cos(x).

Tags

TEKS.MATH.G.9A

Which trigonometric functions is the opposite over the adjacent?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Tangent is written as tan(x).

Tags

TEKS.MATH.G.9A

Match each trigonometric function to their reciprocal.

• Secant

• Cosine

• Cotangent

• Sine

• Cosecant

• Tangent

Answer explanation

Cosecant is written as csc(x), secant is written as sec(x), and cotangent is written as cot(x).

Tags

TEKS.MATH.P.5M

Special Right Triangles:

Match each degree measure with the corresponding side length.

• 2x

• 90 degrees

• x

• 30 degrees

• 60 degrees

Answer explanation

Cosecant is written as csc(x), secant is written as sec(x), and cotangent is written as cot(x).

Tags

TEKS.MATH.8.7D

Special Right Triangles:

Match each degree measure with the corresponding side length.

• x

• 90 degrees

• x

• 45 degrees

• 45 degrees

Answer explanation

Cosecant is written as csc(x), secant is written as sec(x), and cotangent is written as cot(x).

Tags

TEKS.MATH.8.7D

What is the most efficient way to find "y"?

• Inverse sine

• Inverse cosine

• Inverse tangent

• Pythagorean Theorem

Tags

TEKS.MATH.G.9A

TEKS.MATH.G.9B

The Pythagorean Theorem is _________

• a + b = c

• a² + b² = c²

• a² + b² + c²

• A = LW

Tags

TEKS.MATH.8.7D

From the 45 degree angle, side y would be called ...

• Opposite

• Adjacent

• Hypotenuse

• Leg

From the 45 degree angle, side x would be called ...

• Opposite

• Adjacent

• Hypotenuse

• Leg

Tags

TEKS.MATH.G.9A