Todo numero negativo elevado a un exponente impar es negativo?
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If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.

If cos(θ)=2853 with θin q iv, what is sin(θ)?