Topics March 19 and 22 QUIZ Hunt your book and notes chapter 6

To convert degrees to radians, multiply by pi radians divided by 180 degrees.

This parent graph repeats itself every 2 pi radians.

Choose the answers, which are graphing steps for drafting the sine and cosine parent graphs.

The length of a shadow of a tree is 125feet when the angle of elevation of the sun is 33 degrees.What is tree's height?

The amplitude of y = a sin x and y = a cos x represents half the distance between the maximum and minimum values

Solve the right triangle for the hypotenuse, when the adjacent side is 19.4 units for the angle 34.2 degrees.

To measure arc length along a circle, use the formula, length of circular arc equals radius times central angle.

A trigonometric function has an _____ function only when its domain is restricted.

State the domain of the inverse sine function.

Cosine is symmetrical about the y-axis.

When you evaluate cos (-120 degrees), you get (- radical 2) / 4.

We measure angles in radians and degrees.

Sketch the graphs of sine and cosine. What do they have in common?

A lighthouse is 200 yards from a bike path along the edge of a lake. A walkway to the lighthouse is 400 yards long.

The quotient identity for tangent equals sine divided by cosine

True or False: The function y = 1/2 cos 2x has an amplitude that is twice that of the function y = cos x.

To find an angle that is coterminal to a given angle, add or subtract 360 degrees.

The cosine and secant functions are

The word trigonometry means measurement of triangles.

A function is periodic when there exists a positive real number c such that