Establish the identity.(1 + tan2u)(1 - sin2u) = 1
What will be an ideal response?
(1 + tan2u)(1 - sin2u) = sec2u ? cos2u = 
? cos2u = 1
Mathematics
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Find the interval of convergence of the series.
A. x < 14 B. -2 ? x ? 14 C. 5 ? x ? 7 D. -14 < x < 14
Mathematics
Solve the equation by factoring.49x2 - 84x + 36 = 0
A. {
}
B. {- 
}
C. {
}
D. {- 
}
Mathematics
Use a calculator to find tan 143.8°. ? Please round the answer to the nearest ten-thousandth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Answer the question or solve the problem.If a ? b, is it always true that a 8 ? b + 8? Explain.
What will be an ideal response?
Mathematics