Verify the identity.tan2 x = sec2 x - sin2 x - cos2 x
What will be an ideal response?
tan2 x = sec2 x - 1 = sec2 x - (sin2 x + cos2 x) = sec2 x - sin2 x - cos2 x.
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?
A. 17.23
B. 22.4
C. 3.67
D. 27.88
and 
, what is the value of w when
Identify the type of surface represented by the given equation.
+ 
= 
A. Elliptical paraboloid
B. Hyperbolic paraboloid
C.
| Ellipsoid |
D. Elliptical cone
Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. A(2, 3) in Quadrant I; B(0, 1) on the y-axis B. A(2, 3) in Quadrant I; B(0, -1) on the y-axis C. A(2, -3) in Quadrant IV; B(1, -1) in Quadrant IV D. A(-2, 3) in Quadrant II; B(0, 1) on the x-axis
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 0