Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
You might also like to view...
Match the description with its graph.
A. A line with negative slope and a positive y-intercept. B. A line with positive slope and a positive y-intercept. C. A line with negative slope and a negative y-intercept. D. A line with positive slope and a negative y-intercept.
Write the equation of the quadratic function whose graph is a parabola containing the given points.An egg is thrown upward from the top of a 128-foot-high building. The ball is 224 feet above ground level after 1 second, and it reaches ground level in 8 seconds. The height above the ground is a quadratic function of the time after the ball is thrown. Write the equation of this function.
A. y = -16x2 + 112x + 128 B. y = -16x2 + 56x + 128 C. y = -16x2 + 144x + 128 D. y = -16x2 + 16x + 128
Solve the equation.4n - 2 = 38
A. 10 B. 11 C. 40 D. 36
Determine if the matrix is in row-echelon form.
A. Yes B. No