Question

solving for the left side for a double angle formula

score 38 · Answer 1 · 2026-04-15 06:23:55

38

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solving for the left side for a double angle formula

Published on 15 Apr 2026 - 6:23

score 154 · Answer 2 · 2026-04-11 08:18:24

154

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How to prove this trigonometric identity?

Published on 11 Apr 2026 - 8:18

score 147 · Answer 3 · 2026-04-12 21:20:02

147

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Understanding less trivial integration by trig substitution.

Published on 12 Apr 2026 - 21:20

score 24.2k · Answer 4 · 2026-04-09 07:27:49

24.2k

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How to read negative radians in the interval?

Published on 09 Apr 2026 - 7:27

score 282 · Answer 5 · 2026-05-06 07:02:24

282

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How to Prove This Trigonometry Identity?

Published on 06 May 2026 - 7:02

score 480 · Answer 6 · 2026-05-11 06:34:38

480

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Bretschneider-Brahmagupta-Heron Proof

Published on 11 May 2026 - 6:34

score 6.3k · Answer 7 · 2026-04-11 12:18:56

6.3k

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How do you simplify trigonometric functions?

Published on 11 Apr 2026 - 12:18

score 1.6k · Answer 8 · 2026-04-14 23:06:10

1.6k

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Area of the intersection of regular pentagons

Published on 14 Apr 2026 - 23:06

score 158 · Answer 9 · 2026-04-15 23:06:01

158

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How prove this $\frac{\cos{x}-\sin{y}}{\sin{x}-\cos{y}}=\frac{1-2\cos{x}}{1-2\sin{x}}$

Published on 15 Apr 2026 - 23:06

score 10.6k · Answer 10 · 2026-04-15 18:20:46

10.6k

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Derivative of inverse function $\sin^{-1}(x)^2$

Published on 15 Apr 2026 - 18:20

score 113 · Answer 11 · 2026-04-15 04:10:15

113

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How to solve this similar triangle question?

Published on 15 Apr 2026 - 4:10

score 4.3k · Answer 12 · 2026-04-14 03:46:54

4.3k

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The point (8,0) is rotated about the origin counterclockwise by 38 degrees. Determine the coordinates of the image.

Published on 14 Apr 2026 - 3:46

score 462 · Answer 13 · 2026-04-13 18:12:00

462

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tricky trignometric identity proof

Published on 13 Apr 2026 - 18:12

score 779 · Answer 14 · 2026-04-15 16:31:46

779

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Trigonometric Inequality $\cos 1 +\cos2+\ldots +\cos n < 0.55$ can be solved with the help of Integrals?

Published on 15 Apr 2026 - 16:31

score 513 · Answer 15 · 2026-04-13 10:07:48

513

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Neat way to prove $\sin(\alpha+\beta)$ using complex exponential

Published on 13 Apr 2026 - 10:07

List Question

solving for the left side for a double angle formula

How to prove this trigonometric identity?

Understanding less trivial integration by trig substitution.

How to read negative radians in the interval?

How to Prove This Trigonometry Identity?

Bretschneider-Brahmagupta-Heron Proof

How do you simplify trigonometric functions?

Area of the intersection of regular pentagons

How prove this $\frac{\cos{x}-\sin{y}}{\sin{x}-\cos{y}}=\frac{1-2\cos{x}}{1-2\sin{x}}$

Derivative of inverse function $\sin^{-1}(x)^2$

How to solve this similar triangle question?

The point (8,0) is rotated about the origin counterclockwise by 38 degrees. Determine the coordinates of the image.

tricky trignometric identity proof

Trigonometric Inequality $\cos 1 +\cos2+\ldots +\cos n < 0.55$ can be solved with the help of Integrals?

Neat way to prove $\sin(\alpha+\beta)$ using complex exponential

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