Mastering SOH-CAH-TOA in Trigonometry

What are the names of the three sides needed to use trigonometry

• short leg, long leg, longest leg

• a,b,c

• acute angle, obtuse angle, right angle

• opposite, adjacent, hypotenuse

In any triangle, the _________of a side is related to the size of the angle.

What does soh-cah-toa mean?

• sine, cosine, tangent

• new rhyme to remember sides of rectangles

• Pythagorean theorem

• a new rhyme to remember three trigonometric ratios

When you find the trigonometric ratios from one acute angle,

the ratios ____________when you change to the other acute angle.

• are equal

• switch for sine and cosine

• are reciprocals for tangent

• are supplementary