Right Triangle Trig

Front

When would you use an inverse trig function?

Back

When you are given the sides and need to find the angle.

Front

Adjacent means...

Back

next to

Front

What side is adjacent to \( \angle\alpha \)?

Back

15

Front

\( \cos57\degree \), \( \sin 27\degree \) and \( \tan82\degree \) are all _______ numbers

Back

real

Front

\( a^2+b^2=c^2 \) is the _______?

Back

Pythagorean Theorem

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90 degrees.

Front

What is the sine of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the hypotenuse.

Front

What is the cosine of an angle in a right triangle?

Back

The ratio of the length of the adjacent side to the hypotenuse.

Front

What is the tangent of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the adjacent side.

Front

What is the Pythagorean Theorem used for?

Back

To find the length of a side in a right triangle.