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3 January, 19:05

If tan (145) = - 1/1.43, what is tan (-125) A. - 1.43, B. 1.43, C. 1/1.43, D. - 1/1.43

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  1. 3 January, 19:13
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    Tan (-125) = tan 235 = 1.42815

    tan 145 = - 1/143 = - 0.70

    1.42815 = - 1/-0.70

    so answer is 1.43
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