58.

59.

Remember:

"Oscar Had A Heap Of Apples.

Complete these formulas:

sin =

cos =

tan =

59.

60a. As previously mentioned, we substitute vectors for the sides in a

right triangle. For example:

Right triangle.

Vector diagram.

The angle in a right triangle is formed by the horizontal side and

to drawings above) is formed by the ________ vector and the

_________ vector.

60a. x

b.

The side opposite

in a triangle is represented by the

r

______ vector.

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