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Earn +20 ptsQ: Is cos squared x the same as cos x squared?
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What is Sin squared x - Cos squared x divided by 1 - Tan squared x equals cos squared x?
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What is Cos squared x equal to?
Cos^2 x = 1 - sin^2 x
What does Sin squared x Cos squared x equal?
sin2 x = (1/2)(1 - cos 2x) cos2 x = (1/2)(1 + cos 2x) Multiplying both you get (1/4) (1 - cos2 2x) Which is equal to (1/4) (1 - (1/2) (1 + cos 4x) = (1/8) (2 - 1 - cos 4x) = (1/8) (1 - cos 4x) Or If it is the trigonomic function, sin squared x and cosine squared x is equal to one
What does 1 - cos squared equal?
Note that an angle should always be specified - for example, 1 - cos square x. Due to the Pythagorean formula, this can be simplified as sin square x. Note that sin square x is a shortcut of (sin x) squared.
What is cosx times cosx?
It is cos2x that is, "cos-squared x".
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