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Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.) t= 3 sin t= cost= tan t=Evaluate (if possible) the six trigonometric functions of the real number t. (If an answer is undefined, enter UNDEFINED.) 7x t= sin t= CSC t= cost= sect= tant= cot t=Test the claim about the population mean, u, at the given level of significance using the given sample statistics. Claim: H = 50; a = 0.04; o = 3.42. Sample statistics: x = 49.2, n = 57 Identify the null and alternative hypotheses. Choose the correct answer below. MA. Ho: H= 50 O B. Ho: H 50 Ha: H = 50 O E. Ho: H > 50 OF. Ho: H= 50 Ha: H = 50 Ha: H