Question

tan additions formula expressions only representing with tan

score 43 · Answer 1 · 2026-04-12 10:12:18

43

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tan additions formula expressions only representing with tan

Published on 12 Apr 2026 - 10:12

score 85 · Answer 2 · 2026-04-16 16:31:06

85

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Solving equations involving $x, \pi, \cos x$.

Published on 16 Apr 2026 - 16:31

score 761 · Answer 3 · 2026-04-12 07:58:03

761

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Angle Between Two Vectors Facing A Point

Published on 12 Apr 2026 - 7:58

score 102 · Answer 4 · 2026-04-15 14:47:07

102

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Why is $g = \sum_{k=1}^n $ $\sum_{l=1}^n cos(g_k-g_l)$ always non-negative?

Published on 15 Apr 2026 - 14:47

score 902 · Answer 5 · 2026-04-14 23:18:21

902

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Solve the following equation: $\sqrt {\sin x - \sqrt {\cos x + \sin x} } = \cos x$

Published on 14 Apr 2026 - 23:18

score 46 · Answer 6 · 2026-04-18 18:00:35

46

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How do I get $~x,y +$ degrees new coordinates?

Published on 18 Apr 2026 - 18:00

score 271 · Answer 7 · 2026-04-17 10:30:39

271

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find the $\cos 40(2\cos 80-1)=?$

Published on 17 Apr 2026 - 10:30

score 98 · Answer 8 · 2026-04-15 12:21:38

98

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Finding a closed form expression for $S=\sum_{i=2}^{n-1}\csc({\frac{\pi}{i}})$ or approximation?

Published on 15 Apr 2026 - 12:21

score 579 · Answer 9 · 2026-04-15 16:33:13

579

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Find the values of sinθ and cosθ if tanθ = -7/24 and θ is reflex

Published on 15 Apr 2026 - 16:33

score 146 · Answer 10 · 2026-04-13 10:24:24

146

Views

Applying sine/cosine rule in non right triangle

Published on 13 Apr 2026 - 10:24

score 490 · Answer 11 · 2026-04-12 08:21:41

490

Views

Orthogonal projection of angles

Published on 12 Apr 2026 - 8:21

score 134 · Answer 12 · 2026-04-11 04:28:09

134

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Find angle based on bisector, altitude, median info

Published on 11 Apr 2026 - 4:28

score 129 · Answer 13 · 2026-04-11 21:53:31

129

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Closed form solution for a simple-looking Euclidean geometry problem?

Published on 11 Apr 2026 - 21:53

score 344 · Answer 14 · 2026-04-14 20:02:22

344

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How to find the value of $\cos\left (\frac{\pi }{28} \right )-\cos\left (\frac{3\pi }{28} \right )+\sin\left ( \frac{5\pi }{28} \right )$?

Published on 14 Apr 2026 - 20:02

score 106 · Answer 15 · 2026-04-17 00:39:36

106

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Find angle between two vectors relative to a normal

Published on 17 Apr 2026 - 0:39

List Question

tan additions formula expressions only representing with tan

Solving equations involving $x, \pi, \cos x$.

Angle Between Two Vectors Facing A Point

Why is $g = \sum_{k=1}^n $ $\sum_{l=1}^n cos(g_k-g_l)$ always non-negative?

Solve the following equation: $\sqrt {\sin x - \sqrt {\cos x + \sin x} } = \cos x$

How do I get $~x,y +$ degrees new coordinates?

find the $\cos 40(2\cos 80-1)=?$

Finding a closed form expression for $S=\sum_{i=2}^{n-1}\csc({\frac{\pi}{i}})$ or approximation?

Find the values of sinθ and cosθ if tanθ = -7/24 and θ is reflex

Applying sine/cosine rule in non right triangle

Orthogonal projection of angles

Find angle based on bisector, altitude, median info

Closed form solution for a simple-looking Euclidean geometry problem?

How to find the value of $\cos\left (\frac{\pi }{28} \right )-\cos\left (\frac{3\pi }{28} \right )+\sin\left ( \frac{5\pi }{28} \right )$?

Find angle between two vectors relative to a normal

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