20 below and a wood stove ..or ..90 above and an air conditioner?
56.3º solve for x b) sin^2 + cos^2 = 1 ___ cos^2 = 1 - sin^2 substituting ___ 2sin^2(x) + 1 - sin^2(x) = 10/9 ___ sin^2(x) + 1 = 10/9 ___ sin^2(x) = 1/9 sin(x) = ± 1/3 use a calculator to find BOTH values of x.
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