Question

Why is the $\tan$ function differentiable even though it is not continuous?

score 2.3k · Answer 1 · 2026-04-13 21:03:16

2.3k

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Why is the $\tan$ function differentiable even though it is not continuous?

Published on 13 Apr 2026 - 21:03

score 54 · Answer 2 · 2026-04-10 14:42:41

54

Views

Bode Phase Plot

Published on 10 Apr 2026 - 14:42

score 19 · Answer 3 · 2026-04-09 00:03:57

19

Views

General formula for dangerous levels of tilt of object

Published on 09 Apr 2026 - 0:03

score 37 · Answer 4 · 2026-04-11 07:02:26

37

Views

what is the bound on this expression?

Published on 11 Apr 2026 - 7:02

score 143 · Answer 5 · 2026-04-16 07:15:54

143

Views

Solve : $2\sin^3 (x) = \cos (x)$

Published on 16 Apr 2026 - 7:15

score 41 · Answer 6 · 2026-04-08 07:25:50

41

Views

Can I fast-path reasoning like this (simplifying trig expression)?

Published on 08 Apr 2026 - 7:25

score 610 · Answer 7 · 2026-04-16 08:29:09

610

Views

Find coordinate points where the tangent line is horizontal for $f(x) = –\sin(8x) + 6\cos(4x) – 8x$

Published on 16 Apr 2026 - 8:29

score 83 · Answer 8 · 2026-04-12 09:43:11

83

Views

Tricky trigonometric problem

Published on 12 Apr 2026 - 9:43

score 305 · Answer 9 · 2026-04-16 01:45:04

305

Views

Determine the area of parrollelogram projected onto $xy$- plane, geometrically.

Published on 16 Apr 2026 - 1:45

score 1k · Answer 10 · 2026-04-12 13:30:54

1k

Views

Calculate third point of triangle from two points and vector.

Published on 12 Apr 2026 - 13:30

score 41 · Answer 11 · 2026-04-13 00:28:04

41

Views

Calculate Third Point of Triangle knowing Vector

Published on 13 Apr 2026 - 0:28

score 39 · Answer 12 · 2026-04-08 16:39:38

39

Views

Trigonometric measuring equation. Need help at solving

Published on 08 Apr 2026 - 16:39

score 24 · Answer 13 · 2026-04-14 09:24:44

24

Views

Trigonometric relation, implication of the requirement $\theta_a = \theta_b$

Published on 14 Apr 2026 - 9:24

score 45 · Answer 14 · 2026-04-11 07:41:28

45

Views

Manipulating a trigonometric expression

Published on 11 Apr 2026 - 7:41

score 42 · Answer 15 · 2026-04-16 01:41:10

42

Views

Let $w=z^3|z|(1-i)\frac{\overline{z}}{2}$. Graph in the complex plane the solutions to $\Im(w)<0$, $|w|\leq 16\sqrt{2}$

Published on 16 Apr 2026 - 1:41

List Question

Why is the $\tan$ function differentiable even though it is not continuous?

Bode Phase Plot

General formula for dangerous levels of tilt of object

what is the bound on this expression?

Solve : $2\sin^3 (x) = \cos (x)$

Can I fast-path reasoning like this (simplifying trig expression)?

Find coordinate points where the tangent line is horizontal for $f(x) = –\sin(8x) + 6\cos(4x) – 8x$

Tricky trigonometric problem

Determine the area of parrollelogram projected onto $xy$- plane, geometrically.

Calculate third point of triangle from two points and vector.

Calculate Third Point of Triangle knowing Vector

Trigonometric measuring equation. Need help at solving

Trigonometric relation, implication of the requirement $\theta_a = \theta_b$

Manipulating a trigonometric expression

Let $w=z^3|z|(1-i)\frac{\overline{z}}{2}$. Graph in the complex plane the solutions to $\Im(w)<0$, $|w|\leq 16\sqrt{2}$

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