DEPRECATED Symmetry and periodicity of trigonometric functions

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Problem

If sine, left parenthesis, alpha, right parenthesis, equals, 0, point, 34, find each value. Round your answer, if necessary, to the nearest hundredth.
space, cosine, left parenthesis, alpha, right parenthesis, equals
space, sine, left parenthesis, 2, pi, plus, alpha, right parenthesis, equals
space, cosine, left parenthesis, 2, pi, plus, alpha, right parenthesis, equals