List questions from trigonometry

Published on 27 Mar 2026 - 2:33

2.2k

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Area of Triangle inside a Circle in terms of angle and radius

Published on 25 Mar 2026 - 9:27

742

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Sides of a triangle given perimeter and two angles

Published on 26 Mar 2026 - 4:52

451

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Finding the normal line to an ellipse that passes through a point

Published on 01 Apr 2026 - 11:03

137

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trigonometric limit with integral: $\lim_{\alpha\to 0}\int^{\alpha}_{0}\frac{dx}{\sqrt{\cos x -\cos \alpha}}$

Published on 28 May 2018 - 8:41

47

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How to prove these trigonometric functions?

Published on 02 Apr 2026 - 8:50

63

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arccotg(cotg(f)) - inverse function

Published on 25 Mar 2026 - 12:14

64

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Why does the indefinite integral $\int \sin(x) \sec^2(x) dx$ give different answers for different substitutions?

Published on 25 Mar 2026 - 11:02

500

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Find the mean length of a chord in a unit circle

Published on 28 May 2018 - 13:30

85

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Prove that series with $(-1)^k\cos^3(k)$ has sequence of partial sums bounded.

Published on 28 May 2018 - 13:53

1.4k

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Great-circle distance using haversine formula

Published on 25 Mar 2026 - 17:41

567

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Finding Maxima/Minima of Trig Functions (Calculus)

Published on 26 Mar 2026 - 12:45

182

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Is there a nice way to simplify $2\sin(x + \pi/5) + 3\sin(x + \pi/7) $?

Published on 30 Mar 2026 - 0:24

165

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Finding the Point When the Rate is Increasing Rapidly in a Ferris Wheel

Published on 28 May 2018 - 17:16

1.5k

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How do you find the primitive/integral of $\arctan(x)$?

Published on 27 Mar 2026 - 17:57

List Question

Exponential equation with double radical

Area of Triangle inside a Circle in terms of angle and radius

Sides of a triangle given perimeter and two angles

Finding the normal line to an ellipse that passes through a point

trigonometric limit with integral: $\lim_{\alpha\to 0}\int^{\alpha}_{0}\frac{dx}{\sqrt{\cos x -\cos \alpha}}$

How to prove these trigonometric functions?

arccotg(cotg(f)) - inverse function

Why does the indefinite integral $\int \sin(x) \sec^2(x) dx$ give different answers for different substitutions?

Find the mean length of a chord in a unit circle

Prove that series with $(-1)^k\cos^3(k)$ has sequence of partial sums bounded.

Great-circle distance using haversine formula

Finding Maxima/Minima of Trig Functions (Calculus)

Is there a nice way to simplify $2\sin(x + \pi/5) + 3\sin(x + \pi/7) $?

Finding the Point When the Rate is Increasing Rapidly in a Ferris Wheel

How do you find the primitive/integral of $\arctan(x)$?

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