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Simplifying 2sin2(x) + 7cos(x) + 2 = 0 Multiply in2s * x 2in2sx + 7cos(x) + 2 = 0 Multiply cos * x 2in2sx + 7cosx + 2 = 0 Reorder the terms: 2 + 7cosx + 2in2sx = 0 Solving 2 + 7cosx + 2in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + 7cosx + -2 + 2in2sx = 0 + -2 Reorder the terms: 2 + -2 + 7cosx + 2in2sx = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7cosx + 2in2sx = 0 + -2 7cosx + 2in2sx = 0 + -2 Combine like terms: 0 + -2 = -2 7cosx + 2in2sx = -2 Add '-2in2sx' to each side of the equation. 7cosx + 2in2sx + -2in2sx = -2 + -2in2sx Combine like terms: 2in2sx + -2in2sx = 0 7cosx + 0 = -2 + -2in2sx 7cosx = -2 + -2in2sx Divide each side by '7osx'. c = -0.2857142857o-1s-1x-1 + -0.2857142857in2o-1 Simplifying c = -0.2857142857o-1s-1x-1 + -0.2857142857in2o-1 Reorder the terms: c = -0.2857142857in2o-1 + -0.2857142857o-1s-1x-1
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