Question

Asked Oct 31, 2019

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Step 1

First we solve for cos theta using quadratic formula.

cos theta is between -1 to 1.

So cos theta = (1+sqrt(3))/2= 1.366 is not possible

cos theta = (1-sqrt(3))/2= -0.366

Step 2

Then we find theta using cos inverse.

Answ...

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