MAC 1147 (3067) - Quiz #8 Name: For full credit, you must show all work and circle your ﬁnal answer. 1 (1 point) In each group of two statements, circle the one that is always true. ± tan(-t ) = tan( t ) tan(-t ) =-tan( t ) ² ± csc(-t ) = csc( t ) csc(-t ) =-csc( t ) ² ± cos(-t ) = cos( t ) cos(-t ) =-cos( t ) ² 2 (2 points) If cos θ = 1 2 , and sin θ > 0, ﬁnd the exact value of (1-sin 2 θ ) + 1
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