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d/dx (cos x)^2 using the rule of chain, take derivative of the external, times derivative of the internal
= 2 (cos x)(-sin x)
=-2sinx cos x = - sin(2x)
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∙ 11y ago
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What does cos squared x - Sin squared x equal?
2 x cosine squared x -1 which also equals cos (2x)
What is x squared multiplied by x squared?
(X2) (X2) = X4 x squared multiplied by x squared is x raised to the 4th power.
What is sin squared x minus cos squared x?
Sin squared, cos squared...you removed the x in the equation.
What is a squared x a squared?
If you mean a2 x a2... the answer is a4
X squared plus 9 squared equals 12 squared?
X = √63
Is 2 cosine x the same as cosine squared x?
No
Can you make cosine squared X divided by2 equal to cosine squared x with some constant?
You could just pull out the half: it will be (1/2) cos squared x.
What does cos squared x - Sin squared x equal?
2 x cosine squared x -1 which also equals cos (2x)
What is cosine squared theta equal to'?
Cosine squared theta = 1 + Sine squared theta
What is the limit of x cosine 1 over x squared as x approaches 0?
The limit is 0.
Do the equations sine plus cosine and sine squared plus cosine squared both equal 1?
No, they do not.
What is sine squared theta subtract six cosine squared theta divided by one minus seven cosine squared theta?
It is 1.
Sine squared in terms of cosine?
(1 - cos(2x))/2, where x is the variable. And/Or, 1 - cos(x)^2, where x is the variable.
How do you find cosine squared at 30 degrees?
cos(30) = sqrt(3)/2 so cosine squared is 3/4.
What is the integral of 1 divided by the cosine squared of x with respect to x?
∫ 1/cos2(x) dx = tan(x) + C C is the constant of integration.
What is the integral of the sine of x divided by the cosine squared of x with respect to x?
∫ sin(x)/cos2(x) dx = sec(x) + C C is the constant of integration.
What is the integral of the cosine of x divided by the sine squared of x with respect to x?
∫ cos(x)/sin2(x) dx = -cosec(x) + C C is the constant of integration.
