1 Solve the equation Write the exact answer as a decimal num
1.
Solve the equation.
Write the exact answer as a decimal number.
2.
Solve the equation
3.
Solve the equation.
4.
Solve the equation.
Round your solutions to 3 decimal places when appropriate.
5.
Solve the equation.
Round your solutions to 3 decimal places when appropriate.
Solution
1) 4x = cos(pi) = -1 => x = -0.25
2) 2x = pi/4 or 2x = 5(pi)/4 ,9(pi)/4,13(pi)/4 , x= 0.393, 1.963, 3.534,5.105
3) x + 7(pi)/4 = 11(pi)/6, 13(pi)/6 x= 1.308, 1.392
4) x = -1
5) 2x = 1.0734 => x = 0.5367
