The solution of the equation is union of x = a(π/2) where a = 1,2,3......∞ and x = n(π) where n = 1,3,5,7.......∞.
A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable.
sin²x = cosx + 1
1 - cos²x = cosx + 1
cos²x + cosx = 0
cosx(cosx + 1) = 0
When cosx = 0
x = a(π/2) where a = 1,2,3......∞
When cosx = -1
x = n(π) where n = 1,3,5,7.......∞
Hence the solution of the equation will be the union of x = a(π/2) where a = 1,2,3......∞ and x = n(π) where n = 1,3,5,7.......∞.
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