SOLUTION: How do I add a value to the inside of a cos or sin function? ie, I have cos(t) and I have to have it in the format of cos(t+2).

Algebra.Com
Question 370017: How do I add a value to the inside of a cos or sin function?
ie, I have cos(t) and I have to have it in the format of cos(t+2).

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
You can use the idea that


So in your case,

RELATED QUESTIONS

Solve the given equation: sin t − 1 = cos t? I have to find an identity that... (answered by josgarithmetic)
Let t be a real number with cos(t)=3/7, 3pi/2 (answered by stanbon)
Let t be a real number with cos(t)=3/7, 3pi/2 < t < 2pi Find the exact value for each... (answered by Edwin McCravy)
This is a test preparation question but I just am not sure how to solve it or where to... (answered by lwsshak3)
Given sin t = 1/5, sec t<0, find cos (t) and cot (t). I do not know how to find out if (answered by solver91311)
• Let x = r(cos u + i sin u) • Let y = t(cos v + i sin v) Prove that xy = rt(cos(u+v) (answered by jim_thompson5910,Edwin McCravy)
Suppose cos(t)=-1/3 and sin(t)<0 Use appropriate identities to find each of the... (answered by lwsshak3)
Use an addition or subtraction formula to find the solutions (in radians) of the equation (answered by shree840)