Asked by stellar
Find all solutions of the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.)
2 cos θ − 1 = 0
2 cos θ − 1 = 0
Answers
Answered by
Steve
solve for cosθ the way you would for any other variable.
2cosθ = 1
cos θ = 1/2
ta da. Of course, now you have to now how to find θ, but that's no problem, right?
2cosθ = 1
cos θ = 1/2
ta da. Of course, now you have to now how to find θ, but that's no problem, right?
Answered by
jenny
Find the real solutions of the equation. (Round your answers to three decimal places. Enter your answers as a comma-separated list.)
3.4x4 − 1.9x2 = 2.2
3.4x4 − 1.9x2 = 2.2
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