Section 6.3

Properties of the Trigonometric Functions

OBJECTIVE 1

The Range of the Six Trigonometric Functions

OBJECTIVE 2

19(a) sin 390 (b) tan (c) cos 7

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OBJECTIVE 3

If sin > 0 and cos < 0, name the quadrant in which the angle lies.

OBJECTIVE 4

10 3 10Given sin and cos ,

10 10find the value of each of the four remaining trigonometric functions of .

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Find the exact value of each expression. Do not use a calculator.

cos1 3(a) cos 35 (b) cotcsc 35 3sin

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OBJECTIVE 5

2Given that sin and cos 0, find the exact value

3of each of the remaining five trigonometric functions.

1Given that tan and sin 0, find the exact value

3of each of the remaining five trigonometric functions.

OBJECTIVE 6

Find the exact value of:

(a) cos (– 60°) (b) sin (–390°) (c) tan 17

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