INTRODUCTORY EXERCISES - More Trig. Functions

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(1) By plotting points, sketch the graphs of the following functions.

(a) y = 4sinx

(b) y = sin 4x

( Click On SOLUTION To See The Answer )

(2) Graph the following functions by plotting specific points.

(a) y = 2 + sin x

(b) y = -cos x

( SOLUTION )

(3) Use the even-odd identities to simplify the expressions.

(a) cos(-2x)

(b) tan(-/4)

(c) sin(-4/3)

( SOLUTION )

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