Sin 2x
Understand the Problem
The question is asking about the trigonometric function sin(2x). It likely seeks information on how to evaluate, graph, or transform this function. The approach will involve understanding sine functions and their properties.
Answer
sin 2x = 2 sin x cos x or sin 2x = (2 tan x) / (1 + tan^2 x)
The final answer is sin 2x = 2 sin x cos x or sin 2x = (2 tan x) / (1 + tan^2 x)
Answer for screen readers
The final answer is sin 2x = 2 sin x cos x or sin 2x = (2 tan x) / (1 + tan^2 x)
More Information
The sin 2x identity is especially useful in solving trigonometric, integration, and differentiation problems.
Tips
A common mistake is to incorrectly apply the double angle formula or confuse it with the half-angle formula. Always double-check which trigonometric identity is needed.
Sources
- Sin2x - Formula, Identities, Examples, Proof - cuemath.com
- Sin 2x Formula with Solved Example - Unacademy - unacademy.com
- Sin2x Formula - collegedunia.com
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