Use the fundamental identities to simplify the expression.sin2? + tan2? + cos2?
A. cos3?
B. sin ?
C. sec2?
D. tan2?
Answer: C
Mathematics
You might also like to view...
Write the equation of a circle with the given center and radius.Center at (0, 9); Radius 
A. (x - 9)2 + y2 = 36 B. (x + 9)2 + y2 = 36 C. x2 + (y + 9)2 = 6 D. x2 + (y - 9)2 = 6
Mathematics
Find the particular solution to the given differential equation that satisfies the given conditions.D2y + 10 Dy + 21y = 0; Dy = 0 and y = 2 when x = 0
A. y = - 
e7x + 
e3x
B. y = - 
e-7x + 
e-3x
C. y = 
e-7x - 
e-3x
D. y = 
e7x + 
e3x
Mathematics
Evaluate.(-4)3
A. 64 B. 12 C. -12 D. -64
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Mathematics