Verify the identity.tan 2 x (1 + cos 2x) = 1 - cos 2x
What will be an ideal response?
tan 2 x (1 + cos 2x) = 
(1 + cos 2x) = 1 - cos 2x
Mathematics
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Use conversion factors to convert the units of measure.0.4 gallons to ounces
A. 4.8 oz. B. 51.2 oz. C. 25.6 oz. D. 12.8 oz.
Mathematics
Find the complete quotient when P(x) is divided by the binomial following it.P(x) = 2x5 - x4 + 3x2 - x + 5; x - 1
A. Q(x) = 2x4 + x3 + x2 + 4x + 3 + 
B. Q(x) = 2x4 + x3 - x2 + 2x + 1 + 
C. Q(x) = 2x4 - 3x3 - x + 
D. Q(x) = 2x4 + x3 + 4x2 + 3x + 
Mathematics
Write true or false for the statement.A right triangle has one angle of 90°.
A. True B. False
Mathematics
Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[1, ?)
A. x > 1
B. x ? 1
C. x ? 1
D. x > 1
Mathematics