General Solution of Trigonometrical Equations

Study Material (PDF)
Self Assesment
Study Material (PDF)
Self Assesment

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Question No: #2

Find the general solution of `8^{1+|cos x|+cos^2x+|cos^3x|+\cdots \infty}=4^3`
Ans: `x = 2n\pi \pm \pi/3, 2n\pi \pm \frac{2\pi}{3}` where `n \in mathbb{Z}`