Right Triangle Trigonometry

Front

What is the ratio for Tangent?

Back

Opposite Leg / Adjacent Leg

Front

What is the sine ratio in a right triangle?

Back

sin(θ) = Opposite Leg / Hypotenuse

Front

What is the cosine ratio in a right triangle?

Back

cos(θ) = Adjacent Leg / Hypotenuse

Front

What is the tangent ratio in a right triangle?

Back

tan(θ) = Opposite Leg / Adjacent Leg

Front

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

Back

sine

Front

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

Back

cosine

Front

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

Back

tangent

Front

From angle C in triangle ABC, what side is AB if it is opposite to angle C?

Back

Opposite

Front

From angle A in triangle ABC, what side is BC if it is adjacent to angle A?

Back

Adjacent

Front

What is the relationship between the sides of a right triangle and the angles?

Back

The sum of the angles in a triangle is 180 degrees, and in a right triangle, one angle is 90 degrees.