Friday

November 28, 2014

November 28, 2014

Posted by **CJ** on Friday, January 14, 2011 at 11:00am.

y = 18.25 sin(pi/6 t - 2.09) + 61.15

where t is the time in months and January is t = 1.

What is the average temperature for the month of February?

How do I do this problem ?

Please Help

- Math/Trig -
**Reiny**, Friday, January 14, 2011 at 11:11amsince Feb ---> t = 2

sub that in, make sure your calculator is set to radians

y = 18.25 sin ((π/6)(2)-2.09) + 61.15

= 45.39

make sure to follow the order of operation.

- Math/Trig -
**CJ**, Friday, January 14, 2011 at 11:14amThankyou!

**Answer this Question**

**Related Questions**

Trigonometry - The average temperature, in °F, for Atlanta, GA is modeled by the...

Trig - Hi, I would like to ask anyone available a quick question. How would I ...

Trigonometry - Using the same equation from problem 1, what is the average ...

Mathh - The temperature in a certain cave is a sinusoidal function of time. When...

trig - 1. Write a sinusoidal function for the function with a period of 6. The ...

Math - derivative of sinusoidal (check) - a) Find a function y=f(x) that ...

Algebra - This is soooo confusing! An airplane flies from New Orleans, Louisiana...

Trig - I was wondering, is a sinusoidal function an algebraic model? Or, on the ...

calculus - Some scientists believe that the average surface temperature of the ...

MATH SINUSOIDAL APPLICATION - Would pulling a roll of thread create a sinusoidal...