## anonymous one year ago Solve the equation -3 cos t= 1 in the interval from 0 < theta < 2pi. Round to the nearest hundredth.

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1. zepdrix

Hey :) $$\large\rm -3\cos t=1$$ Dividing by -3 gives us: $$\large\rm \cos t=-\dfrac{1}{3}$$

2. zepdrix

To solve for t, I suppose we need to make use of our inverse function, $$\large\rm \arccos\left(-\dfrac{1}{3}\right)=t$$