Verify the identity.tan2x = sec2x - sin2x - cos2x
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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Use the product rule, if possible, to simplify the expression. Write the answer in exponential form.(-6p4)(-2p6)
A. 12p24 B. -12p24 C. 12p10 D. -12p10
Use the formula
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to find the integral.
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What will be an ideal response?
Solve.When interest is compounded continuously, the balance in an account after t years is given by 
, where P0 is the initial investment and k is the interest rate. Suppose that P0 is invested in a savings account where interest is compounded continuously at 9% per year. Express P(t) in terms of P0 and 0.09.
A. P(t) = P0e0.09t B. P(t) = P0e0.09 C. P(t) = P0e9t D. P(t) = P0e0.9t
Determine whether the pair of lines is parallel, perpendicular, or neither. 3x - 4y = 20 8x + 6y = 20
A. Parallel B. Perpendicular C. Neither