Verify the identity.(1 + tan2 x)(1 - sin2x) = 1

What will be an ideal response?

(1 + tan2x)(1 - sin2x) = sec2x ? cos2x =   ? cos2x = 1

Mathematics

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Solve.A train traveled m mi at a speed of s mph. A bus following the same route traveled 7 mph slower. How much longer did the bus take than the train to make this trip? Write the answer as a single rational expression.

A.  hr
B.  hr
C.  hr
D.  hr

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Mathematics

Express the number in decimal notation.4.14 × 10-4

A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414

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Mathematics

Solve the equation.5x2 = 35x - 60

A. -4, -3, 0 B. 0, 3, 4 C. -4, -3 D. 3, 4

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Mathematics

Find the product.(10m - 11w)(10m + 11w)

A. 10m2 - 11w2 B. 100m2 - 121w2 C. 100m2 - 220mw - 121w2 D. 100m2 + 220mw - 121w2

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Mathematics