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23 September, 00:51

If sin x =.99 and tan x = 7.07, what is cos x?

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  1. 23 September, 01:12
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    Multiplying both sides by cos x and dividing both sides by tan x results in

    cos x = (sin x) / (tan x), and sticking in the numbers gives

    cos x = 0.99/7.07 = 0.14.
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