Use trigonometric identities to solve each equation in the interval [0, 2?]sin2 x - cos2 x = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
a = 17.1, c = 26.8
A. A = 39.6°, B = 50.4°, b = 31.8 B. A = 57.5°, B = 32.5°, b = 31.8 C. A = 39.6°, B = 39.6°, b = 20.6 D. A = 39.6°, B = 50.4°, b = 20.6
Mathematics
Answer the question or complete the sentence to make a true statement.In order to add -3 and 2, I should begin by finding the of the of -3 and 2.
A. Sum, absolute values B. Difference, additive inverses C. Sum, opposites D. Difference, absolute values
Mathematics
Write the decimal as a percent.0.5692
A. 56.92% B. 5.692% C. 5692% D. 0.5692%
Mathematics
Factor the trinomial.s2 + 6s + 8
A. (s + 2)(s + 4) B. (s + 8)(s + 6) C. (s + 8)(s - 1) D. (s - 2)(s - 4)
Mathematics