Q: How do you solve the equation cos squared x minus 2sinx?

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The question contains an expression, not an equation or inequality. There is nothing to solve in an expression.

The question contains an expression but not an equation. You cannot solve an expression.

Since there is no equation, there is nothing that can be solved.

hello

Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.

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The question contains an expression, not an equation or inequality. There is nothing to solve in an expression.

The question contains an expression but not an equation. You cannot solve an expression.

Since there is no equation, there is nothing that can be solved.

hello

Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.

2sinx+1 equals 0

It can't be solved because the discriminant of this quadratic equation is less than zero

It can be solved by using the quadratic equation formula.

4 sin2x = 1. Then, (2sinx)2 = 1, 2sinx = ±1, and sinx = ±½. Whence, x = 90° or 270°; or, in radians, x = π/2 or 3π/2.

2x squared minus 5x minus 3 factored is (2x+1)(x-3).

Solve this problem -x squared -40x- 80 =0

whp do you do a 7 suared