Solving trigonometric equations using double-angle identities

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Now Playing:Solve trig equations using double angle identities – Example 1a

Examples

Utilizing "Double-Angle Identities" to solve:

$\cos 2x = 2 \sin^2x$$0 \leq x$ < $2\pi$

$\tan x - \cot x = 2$$0 \leq x$ < $2\pi$

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