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Simplify the trigonometric expression $\sin\left(\frac{2}{5}\right)$

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Solution

Videos

Tutorial - Simplify a rational trigonometric expression 24, ((sinx)^2 - (cosx)^2) / (1 - 2(cosx)^2)

https://www.youtube.com/watch?v=taFMJ3iNVhM

Algebra 2 - Simplifying a radical expression to rational exponents, tenthroot ( 8^5)

https://www.youtube.com/watch?v=ktckOMr6T4s

Algebra 2 - Simplifying a radical expression with four radicals, root(5)+root(20)-root(27)+root(147)

https://www.youtube.com/watch?v=f0Sbh2Pzpnk

Algebra 2 - Learn step by step how to simplify a complex fraction, (3/(x+1)) / (5/(x -1))

https://www.youtube.com/watch?v=uXVIkvfXzr8

Algebra 2 - Multiplying two exponents with rational powers, then simplifying, 2x^(2/5) . 6x^(1/4)

https://www.youtube.com/watch?v=ITQM50h5BlY

Tutorial - Rewriting exponents with positive powers to simplify an expression ex 19, 5x^-3 y^-5

https://www.youtube.com/watch?v=9J6rE1twTh4

Similar Problems Solved

$\left(\sin\left(x\right)+\cos\left(x\right)\right)^2$

$1+cot^2x$

$tan\left(x\right)csc\left(x\right)$

$\tan\left(x\right)\csc\left(x\right)$

$\frac{2+\tan^2\left(x\right)}{\sec^2\left(x\right)}-1$

$csc^2x-1$

$\frac{2+tan^2x}{sec^2x}-1$

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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