Verify the identity.1 + sec2x sin2x = sec2x

What will be an ideal response?


1 + sec2 x sin2 x = 1 +  = 1 + tan2 x = sec2 x.

Mathematics

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Use the quotient rule to simplify.

A. 3x 
B. x
C. 3x
D. 3x

Mathematics

Solve for x. Check your answers.-17 = x - 12

A. x = 29 B. x = -29 C. x = -5 D. x = 5

Mathematics

Solve the problem.To find the temperature in degrees Celsius corresponding to -22 degrees Fahrenheit, you need to compute  Simplify this expression.

A. -33° C B. -28° C C. 2° C D. -30° C

Mathematics

Solve the problem.A company has three different marketing strategies that produce different results depending upon whether inflation is above 6%, between 3% and 6% inclusive, or below 3% annually. The experts cannot predict inflation for the next year. The company has three plans of action and will implement these at varying percentages of its total operation. The payoff matrix for these three plans is given below, with values given in hundred thousands. What is the market strategy for the company that will yield the best expected value? 

A. The company should use Plan 1 with probability 1, Plan 2 with probability 0, and Plan 3 with probability 0. B. The company should use Plan 1 with probability 0, Plan 2 with probability 1, and Plan 3 with probability 0. C. The company should use Plan 1 with probability 5/13, Plan 2 with probability 0, and Plan 3 with probability 8/13. D. The company should use Plan 1 with probability 1/3, Plan 2 with probability 1/3, and Plan 3 with probability 1/3.

Mathematics