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Sunny_sXe [5.5K]
3 years ago
7

Find the values of x on the curve y = cos x 2 + sin x at which the tangent is horizontal. (let n be an integer. enter your answe

rs as a comma-separated list.)
Mathematics
1 answer:
icang [17]3 years ago
8 0
Y = cos^2(x) + sin(x)
y' = --2sin(x) + cos(x) = 0  first derivative.  Set to 0 for horizontal tangent.
-2sin(x) = -cos(x)
Tan(x) = 1/2
x = 26.565 degrees
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