Need help understanding why the answer is pi. I don't understand the first line at all and I don't understand how they got rid of the sin(4pi) / 4 in the last
Ex 3.3, 6 - Prove that cos (pi/4 - x) cos (pi/4 - y) - Chapter 3
&line2=\mathrm{Solution:\:}-\frac{\sqrt{3}}{2} "sin(4/3 pi)")
sin(4/3 pi)
5: Values of sin(π/4) and cos(π/4) | Download Scientific Diagram
Evaluate \sin\frac{\pi}{4} | Homework.Study.com
&line2=\mathrm{Solution:\:}1 "sin^4(pi/2)")
sin^4(pi/2)
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SOLVED:Evaluate the trigonometric function. sin(-(4 π)/(3))
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Important Angles. - ppt download
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![What is the value of [math]\sin \frac{4\pi }{3}[/math]? - Quora](https://qph.cf2.quoracdn.net/main-qimg-fff8ebc1e1d97c6ac2af249461d718a7.webp "What is the value of [math]\sin \frac{4\pi }{3}[/math]? - Quora")
What is the value of [math]\sin \frac{4\pi }{3}[/math]? - Quora
Sin pi/4 - Find Value of Sin pi/4 | Sin π/4
View question - Sin 4/pi
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Values of trigonometric functions of arcs pi/6 pi/4 and p/3, The values of the trigonometric functions of arcs that are multipliers of 30 degrees (pi/6) and 45 degrees (pi/4
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Example 10 - Prove that 3sin pi/6 sec pi/3 - 4 sin 5pi/6
Evaluate the Definite Integrals Int_0^(Pi/4) (Sinx Cos X)/(Cos^4 X + Sin^4 X)`Dx - Mathematics | Shaalaa.com
