# Finding period of trig functions

Find the period of the periodic function y = 9cos(6x +4) y = 9 c o s ( 6 x + 4). The period of cosx c o s x is 2π 2 π, and the period of 9cos(6x +4) 9 c o s ( 6 x + 4) is: 2π 6 =π 3 2 π

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## Finding the Period of the Sum of Sine and Cosine Functions

Identities Proving Identities Trig Equations Trig Inequalities Evaluate Functions Simplify Statistics Arithmetic Mean Geometric Mean Quadratic Mean Median Mode Order Minimum Maximum
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## Finding the Period and Amplitude of a Sine Function

The periods of the basic trigonometric functions are as follows: Function Period sin ⁡ (θ), cos ⁡ (θ) 2 π csc ⁡ (θ), sec ⁡ (θ) 2 π tan ⁡ (θ), cot ⁡ (θ) π \begin{array}{|c|c|} \hline \text{Function} & \text{Period}\\ \hline \sin (\theta) , \cos ( \theta ) &

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## Trig Help: Graphing 4

The graph of a trigonometric function of the form y = a sin (b x), with b >0, is shown below. Find its period and the parameter b. solution There is one cycle from the zero at x = -π/4 to the zero at x = π/4. Hence the period P is equal to:

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