Multiply and simplify.(cos x - sin x)2
A. 1 - 2 sin x cos x
B. cos2x + 2 sin2x
C. 1
D. cos2x + 2 sin x - sin2x
Answer: A
Mathematics
You might also like to view...
Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.An unzipped jacket
A. A B. B C. C D. None of these
Mathematics
Identify the fraction as a proper fraction, an improper fraction, or a mixed number.
A. Mixed number B. Improper fraction C. Proper fraction
Mathematics
Convert the angle to decimal degree notation. Round your answer to two decimal places.64°21'
A. 64.35° B. 65.35° C. 64.21° D. 64.42°
Mathematics
Provide an appropriate response. Solve the equation: 0.2(3.6x + 2) = 4
A. x = 0.5 B. x = 28 C. x = 5 D. x = 2.8
Mathematics