Trigonometric Ratios

Front

What is tan(A)?

Back

tan(A) = a/b, where 'a' is the length of the opposite side and 'b' is the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is cos(A)?

Back

cos(A) = b/c, where 'b' is the length of the adjacent side and 'c' is the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is sin(A)?

Back

sin(A) = a/c, where 'a' is the length of the opposite side and 'c' is the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the mnemonic to remember trigonometric ratios?

Back

Soh Cah Toa, which stands for: Sin = Opposite/Hypotenuse, Cos = Adjacent/Hypotenuse, Tan = Opposite/Adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

Which trig function is used when given two sides that are not the hypotenuse?

Back

Tangent (tan) is used when you have the lengths of the opposite and adjacent sides.

Tags

CCSS.HSG.SRT.C.6

Front

What does Soh Cah Toa stand for?

Back

Soh: Sin = Opposite/Hypotenuse, Cah: Cos = Adjacent/Hypotenuse, Toa: Tan = Opposite/Adjacent.

Tags

CCSS.HSG.SRT.C.8

Front

In a right triangle, what is the hypotenuse?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If the opposite side is 3 and the adjacent side is 4, what is tan(A)?

Back

tan(A) = 3/4.

Tags

CCSS.HSG.SRT.C.6

Front

If the adjacent side is 5 and the hypotenuse is 13, what is cos(A)?

Back

cos(A) = 5/13.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 12 and the hypotenuse is 13, what is sin(A)?

Back

sin(A) = 12/13.

Tags

CCSS.HSG.SRT.C.6