Chapter 4. Trigonometric Functions

The longest side in the triangle/opposite the 90⁰ angle.

What is an exact measurement for angles instead of a rounded decimal.

In quadrant 2 which function is all positive?

What law is this a2 = b2 + c2 − 2bc cos A

Which one does not have an amplitude?

What equation do you use to find arc length?

What is this a picture of?

an equation relating the lengths of the sides of any shaped triangle to the sines of its angles

What is this a graph of?

what is the coordinate for the unit circle?

What is this a graph of?

The measure of one revolution is 2π.

In Quadrant 3 which function is all positive?

In Quadrant 1 which function is all positive?

What is this a graph of?

Function of an angle expressed as a ratio of the length of the sides of right-angled triangle.

The inverse sine of x or sin−1x, the inverse cosine of x or cos−1x,& the inverse tangent tan−1x

In Quadrant 4 which function is all positive?

Ratio of the adjacent to the opposite side of a right-angled triangle.

Side measures of a right triangle & a reference angle labeled θ, can form the six...