Use identities to simplify the expression.
A. cos2 x
B. sin2 x
C. tan x sec x
D. cot x csc x
Answer: C
You might also like to view...
Find all points where the function is discontinuous.
A. x = 3 B. None C. x = 0 D. x = 0, x = 3
Use least common multiple or greatest common divisor to solve the problem.Rob can complete his bus route in 4 hours. Joan can complete her bus route in 2 hours. If they both left the terminal at 3:00 am and after each completed route returned to the terminal, determine the next time they would leave the terminal at the same time.
A. 5:00 am B. 7:00 am C. 11:00 am D. Not enough information given to tell
Provide an appropriate response.A tool and die maker must calculate the area of a triangle whose sides are 6.01 cm, 4.27 cm, and 5.33 cm to make a die. What is the area of the triangle rounded to three significant digits?
A. 123 cm2 B. 32.7 cm2 C. 1.19 cm2 D. 11.1 cm2
Factor the trinomial, if possible.-2x3 + 2x2 + 40x
A. -2x(x + 5)(x - 4) B. -2x(x - 5)(x + 4) C. -2x2(x - 5)(x - 4) D. 2x(x + 5)(x + 4)