List questions from trigonometry

Published on 11 Apr 2026 - 19:12

156

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What is the number of x-intercepts in this graph of sine?

Published on 14 Apr 2026 - 9:41

12.8k

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Lagrange's Trigonometric Identity

Published on 14 Apr 2026 - 2:41

1.5k

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Is this true about the inverse sine?

Published on 11 Apr 2026 - 14:51

58

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Can three points from a 2-dimensional plane always be transformed to an equilateral triangle in 3-dimensional space?

Published on 14 Apr 2026 - 2:33

1k

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Why is $\cos(x)$ the derivative of $\sin(x)$?

Published on 15 Apr 2026 - 0:29

66

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Is this correct about csc function?

Published on 12 Apr 2026 - 6:06

1.1k

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Trig modeling - population

Published on 14 Apr 2026 - 14:35

168

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Numerator = Denominator = 0

Published on 14 Apr 2026 - 12:47

161

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Given that $x$ is a rational number, is $\sin(x\pi)$ always expressible through radicals?

Published on 18 Apr 2026 - 7:47

400

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Is $\cos(\frac{\pi}{3})$ exactly equal to 0.5 or approximately equal to 0.5

Published on 15 Apr 2026 - 10:15

462

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Trigonometry in Population

Published on 13 Apr 2026 - 4:06

123

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Comparing populations using trigonometry.

Published on 11 Apr 2026 - 0:43

980

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Prove: $\sin (3\pi/2 - x) = -\cos(x)$

Published on 16 Apr 2026 - 13:10

284

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Integration of $\int_{0}^{\frac{1}{2}}\frac{\sin^{-1}(x)}{\sqrt{1-x^2}} dx$ ??

Published on 17 Apr 2026 - 6:55

List Question

a trig question

What is the number of x-intercepts in this graph of sine?

Lagrange's Trigonometric Identity

Is this true about the inverse sine?

Can three points from a 2-dimensional plane always be transformed to an equilateral triangle in 3-dimensional space?

Why is $\cos(x)$ the derivative of $\sin(x)$?

Is this correct about csc function?

Trig modeling - population

Numerator = Denominator = 0

Given that $x$ is a rational number, is $\sin(x\pi)$ always expressible through radicals?

Is $\cos(\frac{\pi}{3})$ exactly equal to 0.5 or approximately equal to 0.5

Trigonometry in Population

Comparing populations using trigonometry.

Prove: $\sin (3\pi/2 - x) = -\cos(x)$

Integration of $\int_{0}^{\frac{1}{2}}\frac{\sin^{-1}(x)}{\sqrt{1-x^2}} dx$ ??

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