Learn how to solve for unknown angles in right triangles using inverse trigonometric functions! This step-by-step trigonometry lesson covers labeling triangle sides, using sine and cosine ratios, ...
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What are even and odd trigonometric functions
In this video series, we explore the definitions of trigonometric identities. It is very important when simplifying, verifying, and solving trigonometric problems that we know the trig identities. We ...
Solve the equation \(4\sin x^\circ - 3 = 0\), where \(0 \le x \textless 360\). From the graph of the function, we can see that we should be expecting 2 solutions: 1 solution between \(0^\circ\) and ...
Solve \(\sqrt 3 \cos x + \sin x = \sqrt 2\), for \(0 \le x \le 2\pi\). First of all we need to put \(\sqrt 3 \cos x + \sin x\) into the form \(k\cos (x - \alpha ...
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