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Earn +20 ptsQ: Cos2x equals 1 minus tan squared x divide by1 plus tan squared x?
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Continue Learning about Math & Arithmetic
If x squared minus y squared equals 10 and x plus y equals 5 what is x minus y?
2
In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
Five squared minus ten equals x?
15.
How do you simplify sec x tan x parenthesees one minus sin squared x?
You use the identity sin2x + cos2x = 1 (to simplify the expression in parentheses), and convert all functions to sines and cosines. sec x tan x (1 - sin2x) = (1/cos x) (sin x / cos x) (cos2x) = (sin x / cos2x) cos2x = sin x
What is 18x squared minus 9x minus 14 equals 0?
x = -2/3,7/6
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