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September 20, 2014

September 20, 2014

Posted by **Bernice** on Thursday, December 17, 2009 at 12:00pm.

y= cos x

3. Determine the domain of:

y= 4 sin x

4. Determine the range of:

y= - sin x

5. Determine the period of:

y= 3 sin ðx

6. Determine the phase shift of:

y= 3 cos (2x -1)

7. Solve the following equation for indicated value of x:

y= 4 sin x; for x = ð

8. Solve the following equation for the indicated value of x

y= - cos x ; for x= 4ð

- trig -
**MathMate**, Thursday, December 17, 2009 at 6:29pmMost of these questions can be answered by the definition of the general trigonometric functions:

y = a sin A(x-φ)

a is the amplitude

2π/A = period

φ = phase shift.

If you can transform the trigonometric functions into the above form and evaluate the values of a, A, and φ, the answers would become apparent.

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