Factor the trigonometric expression and simplify.sec4x + sec2x tan2x - 2 tan4x
A. sec2x + 2
B. tan2x - 1
C. 4 sec2x
D. 3 sec2x - 2
Answer: D
Mathematics
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Verify that each equation is an identity.sin(4x) = (4 sin x cos x)(2 cos2 x - 1)
What will be an ideal response?
Mathematics
Write the decimal as an equivalent percent.0.7
A. 0.07% B. 700% C. 70% D. 0.7%
Mathematics
Find functions f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (6x - 2)9
A. f(x) = x9, g(x) = 6x - 2 B. f(x) = (6x)9, g(x) = -2 C. f(x) = 6x9, g(x) = x - 2 D. f(x) = 6x - 2, g(x) = x9
Mathematics
Solve the problem.Sven can type 50 words per minute. How many words would he type in 
hour (20 minutes)?
A. 150 words B. 333 words C. 17 words D. 1000 words
Mathematics