Solve equation for x 0 - 360 (degrees)
4sinx + 3cosx = 6
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Originally Posted by gracey Solve equation for x 0 - 360 (degrees)
4sinx + 3cosx = 6 write
now square both sides. what do you get? can you continue? think quadratic equation (note you will need to use a famous trig identity before you can get it into quadratic form. try to change all the sines into cosines)
There are no values of x that satisfy the equation.
You can use Rcos(x-Q)=4sinx + 3cosx,
RcosxcosQ+RsinxsinQ = 4sinx + 3cosx
5cos(x-Q) =6 ... (1)
Equation 1 does not have have solutions.
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