POE - Vectors and Trig

The cosine of an angle is equal to the ____?____ length divided by the hypotenuse.

The formula (a² + b² = c²) is called the ____?____ theorem.

What is the cosine of "x"?

The sine of a right triangle is the length of the opposite side divided by the ___?___.

To find the length of 'a' you would use:

A vector is an arrow representing something with BOTH direction and ___?___.

What is the sum of these vectors? (big square = 1)

Which is the "opposite" side of this triangle based on the angle shown?

The _?_ of a right triangle is equal to the opposite side of the angle divided by the adjacent side length.

T/F: Trigonometry functions only work with right triangles.

What is the length of the hypotenuse?

What is the CORRECT answer to this question?