Properties of Trig Fcts.

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Presentation transcript:

Properties of Trig Fcts. Chapter 6.3

Signs of Trigonometric Functions ( + , + ) II ( - , + ) (cos+ , sin+) (cos- , sin+) III ( - , - ) IV ( + , - ) (cos- , sin-) (cos+ , sin-)

sin θ < 0 and cos θ < 0 tan θ < 0 and cos θ < 0 Name the quadrant in which the angle θ lies. sin θ < 0 and cos θ < 0 III tan θ < 0 and cos θ < 0 II csc θ < 0 and cos θ > 0 IV

Sin θ and cos θ are given. Find the exact value of the remaining trigonometric functions.

Sin θ and cos θ are given. Find the exact value of the remaining trigonometric functions.

Find the exact value of the remaining trigonometric functions. sin θ = , cos θ < 0

Find the exact value of the remaining trigonometric functions. cot θ = , cos θ < 0

Find the exact value of the remaining trigonometric functions. cos θ = , < θ < 2π