Wednesday

October 22, 2014

October 22, 2014

Posted by **Anonymous** on Sunday, November 4, 2007 at 11:02pm.

d(t) = 2.5 sin0.166 pi (t - 1.5) + 13.4

----

Answer - 12.2

- Math - What is the period? -
**drwls**, Sunday, November 4, 2007 at 11:31pmThe variable following the sine function tells you the frequency f. Forget the -1.5 term -- that is just a phase angle.

2 pi f t = 0.166 pi t

(When f*t incresaes by 1, the phase changes by 2 pi)

Therefore 2f = 0.166

f = 0.083 s^-1

P = 1/f = 1/0.083 = 12.0 s

**Answer this Question**

**Related Questions**

Math - Hi,I need to know how to do question like this without using a calculator...

trig 30 - Please help I need to solve the following question for x, where 0<x...

Chemistry - Name and give the symbol for each of the following: a)the element in...

Confused-Math - Your calculator gives an answer of x=1.1578074156, y=2E-13 when ...

trig - I need to state the period and 2 consecutive asymptotes on the graph for ...

TRIG - I need to state the period and 2 consecutive asymptotes on the graph for ...

Trig - Evaluate the trigonometric function using its period as an aid. cos 5pi ...

educational technology - Which of the following sentences best describes the ...

educational technology - Which of the following sentences best describes the ...

psychology - The longest period of time during prenatal development is the -...