Wednesday

November 26, 2014

November 26, 2014

Posted by **sarah** on Friday, December 7, 2012 at 6:52pm.

Determine the cosine function that results in the same graph as the function above.

Deter

- Grade 11 MAth -
**Jennifer**, Sunday, December 9, 2012 at 6:55pmThe midpoint of the range -4 <= y <=1 is y = -1.5 with an amplitude of 2.5

The equation is now of the form:

y = 2.5*sin(a*x) - 1.5

When a = 1, the period is 360 degrees. So when a = 45/360; the period will be 45 degrees, or when a = 1/8

y = 2.5*sin(x/8) - 1.5

for the second part, note that sin(a*x) = cos(a*(x-90))

y = 2.5*sin((x-90)/8) -1.5

**Answer this Question**

**Related Questions**

algebra 1 help please - 4) a student score is 83 and 91 on her first two quizzes...

Trigonometry - IM STUCK ON THESE :( 1. What is the equation for shifting the ...

Trigonometry - IM STUCK ON THESE :( 1. What is the equation for shifting the ...

Grade 12 Calculus - Determine the absolute extrema of each function on the ...

Grade 12 Calculus - Determine the absolute extrema of each function on the ...

Grade 12 Calculus - Determine the absolute extrema of each function on the ...

Grade 12 Calculus - Determine the absolute extrema of each function on the ...

math - A movie theater seats 500 people. For any particular show, the amount of ...

Probability - Random variables X and Y are distributed according to the joint ...

probability - Random variables X and Y are distributed according to the joint ...