For Exercises 39 46, four functions S, C, T, and D are
Chapter 6, Problem 39(choose chapter or problem)
For Exercises 39 46, four functions S, C, T, and D are defined as follows:S1u2 sin uC1u2 cos uT1u2 tan uD1u2 2 ut 0 u 90In each case, use the values in Table 1 (in Section 6.3) to decideif the statement is true or false. A calculator is not required.
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