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What is cos-1 3?
The cosine function has an absolute value that cannot exceed 1. Therefore the is no angle x such that cos(x) = 3. That is, there is no angle x such that x = cos^-1(3).
Given that Sin x equals 0.8 and x is acute write down the value of Cos x?
cos2x = 1 - sin2x = 1 - 0.64 = 0.36 So cos x = +/- 0.6 Since x is acute, cos x is +ve, so cos x = 0.6
What is the value of cosx at -90?
at -90 degrees the value of cos(x) is 0.
Cos x - cos x sin2 x equals cos3x?
cos(x)-cos(x)sin2(x)=[cos(x)][1-sin2(x)]cos(x)-cos(x)sin2(x)=[cos(x)][cos2(x)]cos(x)-cos(x)sin2(x)=cos3(x)
What is cos infinity?
The cosine function, (\cos(x)), oscillates between -1 and 1 for all real numbers (x). As (x) approaches infinity, (\cos(x)) does not converge to a single value but continues to oscillate. Therefore, (\cos(\infty)) is not defined in the traditional sense and does not yield a specific value. Instead, it remains indeterminate as it perpetually varies.
What is the derivative of ln cos x?
The derivative of the natural log is 1/x, therefore the derivative is 1/cos(x). However, since the value of cos(x) is submitted within the natural log we must use the chain rule. Then, we multiply 1/cos(x) by the derivative of cos(x). We get the answer: -sin(x)/cos(x) which can be simplified into -tan(x).
What is cos-1 3?
The cosine function has an absolute value that cannot exceed 1. Therefore the is no angle x such that cos(x) = 3. That is, there is no angle x such that x = cos^-1(3).
Given that Sin x equals 0.8 and x is acute write down the value of Cos x?
cos2x = 1 - sin2x = 1 - 0.64 = 0.36 So cos x = +/- 0.6 Since x is acute, cos x is +ve, so cos x = 0.6
What is the value of cosx at -90?
at -90 degrees the value of cos(x) is 0.
What is the value of 712 - -514?
1226
What is the maximum value of cos square x - sin square x?
1
Cos x - cos x sin2 x equals cos3x?
cos(x)-cos(x)sin2(x)=[cos(x)][1-sin2(x)]cos(x)-cos(x)sin2(x)=[cos(x)][cos2(x)]cos(x)-cos(x)sin2(x)=cos3(x)
What is the value of 1- cos x when x is small?
1 - cos x as x approaches 0. what is the cos of 0? It is 1. So as x approaches 0 cos x approaches 1. 1 - 1 = 0 So as it gets very small the solutions gets smaller.
What is cos infinity?
The cosine function, (\cos(x)), oscillates between -1 and 1 for all real numbers (x). As (x) approaches infinity, (\cos(x)) does not converge to a single value but continues to oscillate. Therefore, (\cos(\infty)) is not defined in the traditional sense and does not yield a specific value. Instead, it remains indeterminate as it perpetually varies.
What numbers multiply to get to 514?
1, 2, 257, 514:1 x 514, 2 x 257
Is cos squared x the same as cos x squared?
No. Cos squared x is not the same as cos x squared. Cos squared x means cos (x) times cos (x) Cos x squared means cos (x squared)
If cos x equals 1 what is the value of sec x?
Secant x= 1/cosx So if cos x=1 ,we know that x=0 degrees ( or radians), so secant x is 1/cos (0)=1/1=1
