Verify the identity.(sec x - tan x)(sec x + tan x) = 1

What will be an ideal response?


(sec x - tan x)(sec x + tan x) = sec2x - tan2x = 1

Mathematics

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Use the quadratic formula or graphing methods to solve the inequality.8x2 < 8x + 8

A. x <  ? -0.618 or x >  ? 1.618
B. x <  ? -0.618
C. x >  ? 1.618
D.  ? -0.618 < x <  ? 1.618

Mathematics

Write interval notation for the graph.

A. (-?, -4] B. (-?, -4) C. [-4, ?) D. (-4, ?)

Mathematics

Find an equation of variation for the given situation.y varies inversely as x and y = 0.5 when x = 0.9

A. y = 
B. y = 
C. y = 
D. y = 0.56x

Mathematics

Provide an appropriate response.The first-quadrant region bounded by y = , the x-axis, and the y-axis is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of the solid.

What will be an ideal response?

Mathematics