Find minimum value of 2cos

Find minimum value of 2cos x + 2cos y
1. 1 answer
2. asked by vikrant
3. 446 views
Find minimum value of 2cos x + 2cos y
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2. asked by vikrant
3. 394 views
Find minimum value of 2cos x + 2cos y
1. 0 answers
2. asked by vikrant
3. 418 views
Which cosine function has maximum of 2, a minimum of -2, and a period of 2pi/3?Choose from answers below, correct one please. y
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2. 70 views
cosA= 5/9 find cos1/2Aare you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 +
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2. asked by Anonymous
3. 852 views
find the absolute maximum and minimum of the function y=2cos(t)+sin(2t) on the interval of [0, pi/2]I have taken the derivative
1. 1 answer
2. asked by Kenneth
3. 1,507 views
a cosine function that passes through the points (1/2,1) and (3/2,-3).the equation is f(x)= 2cos(πx-π/2)-1 Maximum value: y=1
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2. asked by Unknown
3. 74 views
y= -2cos(pi/6) + 8whats the maximum and minimum?
1. 1 answer
2. asked by tom
3. 428 views
y= -2cos(pi/6) + 8whats the maximum and minimum?
1. 2 answers
2. asked by tom
3. 429 views
What am I doing wrong?Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) =
1. 1 answer
2. asked by Anonymous
3. 1,031 views