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Simplify the trigonometric expression $\cos\left(\frac{\pi }{6}\right)$

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 Solution

 Videos

Tutorial - Simplify a trigonometric expression by factoring ex 26, 2(cosx)^2 + cosx - 3

https://www.youtube.com/watch?v=X35--yiv4Ms

Tutorial - Simplifying an expression using the sum of two angles for cosine, cos(pi + θ)

https://www.youtube.com/watch?v=VtFBPaoWNLw

Pre-Calculus - How to simplify a trig expression using co-function, sin((pi/2) -x)/cos((pi/2) -x)

https://www.youtube.com/watch?v=LxdYYK2mnx4

Pre-Calculus - How to simplify a trigonometric expression by squaring a binomial (sin(x)+cos(x))^2

https://www.youtube.com/watch?v=e5IczuZxvVI

How do you simplify a trigonometric function by factoring

https://www.youtube.com/watch?v=nB8ettNa6cc

Simplifying a perfect square trigonometric trinomial

https://www.youtube.com/watch?v=LzSC5UGzsKw

 Main Topic: Simplify Trigonometric Expressions

Simplification of trigonometric expressions consists of rewriting an expression with trigonometric functions in a simpler form. To perform this task, we usually use the most common trigonometric identities, and some algebra.

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Simplify Trigonometric Expressions