Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 2x - sec2 2x = 0
A. {45°, 135°, 225°, 315°}
B. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°}
C. {0°, 90°, 180°, 270°}
D. {0°, 180°}
Answer: C
Mathematics
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Find the reciprocal of the following:
a. 36 b. 4.2 ð 102 c. 6.4 ð 10-3
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.x3 - 25x + 4x2 - 100
A. (x + 5)(x - 5)(x + 4) B. prime C. (x - 5)2(x + 4) D. (x2 - 25)(x + 4)
Mathematics
Use the change-of-base formula and a calculator to evaluate each logarithm.log100 40
A. 4.6052 B. 1.2484 C. 3.6889 D. 0.801
Mathematics
Use 
to find the exact total area of the right circular cone for which r = 3 cm and l = 5 cm.
What will be an ideal response?
Mathematics