Sunday

April 20, 2014

April 20, 2014

Posted by **Melinda** on Wednesday, January 18, 2012 at 9:51pm.

1.Which of the six trigonometric functions are positive in quadrant III?

Answer: tangent and cotangent

--------------------------------------

2. What is the amplitude of the function y = pi/2 sin(6/3t - pi/6) + 14?

Amplitude: pi/2

---------------------------------------

3. What is the function of cos that has an amplitude of 4, a period of 2pi and has a point at (0,2)?

Answer: y=4cos(x-0) + 2

--------------------------------------

4. The height of a swing is modelled by the function h(t) 35sin(8pi x t)+74. What are the highest and lowest points the ball reaches where h(t) is in cm?

- Precalculus -
**Steve**, Thursday, January 19, 2012 at 5:00amwhen x=0, cos(0) = 1

so you want

y = 4cos(x) - 2

74 ± 35

**Related Questions**

trig - find the reference angle of -20000 and express the six trigonometric ...

Precalculus - Evaluate all six trigonometric functions at t, where the given ...

Trigonometric Functions - Determine the Value of all six trigonometric functions...

Precalculus Someone please help - Evaluate all six trigonometric functions at t...

Math - Find the values of the six trigonometric functions for ∠A in ...

Algebra 2 - Find the values of the six trigonometric functions for ∠A in ...

Precalculus - Verify that the functions f and g, are inverses of each other by ...

precalculus - verify the functions are inverses of each other by showing that f(...

Math(Correction) - Use the given function values and trigonometric identities (...

Precalculus/Trig 6 - Find the exact value of the following trigonometric ...