Prove that the equation is an identity.cos2 ? + 1 = 2 cos2 ? + sin2 ?
What will be an ideal response?
cos2 ? + 1 = cos2 ? + cos2 ? + sin2 ?
= 2 cos2 ? + sin2 ?.
Mathematics
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Graph the line through the given point with the given slope.(8, 0), m = - 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine a polynomial that represents the area of a square having sides of length 
A. 64x2 - 72xy + 81y2 B. 64x2 + 144xy - 81y2 C. 64x2 - 144xy + 81y2 D. 64x2 - 144x + 81y
Mathematics
Solve the problem.The complement of an angle measures 40° less than the angle. Find the measure of the angle.
A. 35° B. 155° C. 140° D. 65°
Mathematics
Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. z + 9
D. 
Mathematics