Verify the identity.cot x sec4 x = cot x + 2 tan x + tan3 x
What will be an ideal response?
cot x sec4 x = cot x (1 + tan 2 x)2 = cot x (1 + 2 tan2 x + tan4 x) = cot x + 2 tan x + tan3 x.
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x2 + 3xy - 9y2) ö (x - y) =
a. 5y2 x + 4y - ÄÄÄÄÄ x - y b. 5y2 x + 2y + ÄÄÄÄÄ x - y c. 9xy x + 3y + ÄÄÄÄÄ x - y d. 9xy x - 3y + ÄÄÄÄÄ x - y e. 5y2 x + 4y + ÄÄÄÄÄ x - y
Which of the following is a factor of the expression 
?
?
A. 
B. 
C. 
D. 
Classify the equation as a contradiction, an identity, or a conditional equation.-9s - 35 + 3(3s + 14) = 0
A. Conditional B. Identity C. Contradiction
Name the quadrant in which the point is located.(-11, -15)
A. Quadrant II B. Quadrant IV C. Quadrant III D. Quadrant I