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Trigonometry question finding the sin and tan

score 282 · Answer 1 · 2026-04-12 01:33:17

282

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Trigonometry question finding the sin and tan

Published on 12 Apr 2026 - 1:33

score 263 · Answer 2 · 2026-04-15 08:48:33

263

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Trigonometry question (given that cosec x = 9)

Published on 15 Apr 2026 - 8:48

score 91 · Answer 3 · 2026-04-16 09:45:28

91

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$3\cos(x+1) =\cos(x+2)$. This is a equation, involving trigonometric functions.

Published on 16 Apr 2026 - 9:45

score 1.4k · Answer 4 · 2026-04-14 22:33:56

1.4k

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Find intersection of line segment in rectangle perimeter.

Published on 14 Apr 2026 - 22:33

score 3.8k · Answer 5 · 2026-04-16 00:45:10

3.8k

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Verify identity $\sin 2x - \cot x = -\cot x \cos 2x$

Published on 16 Apr 2026 - 0:45

score 69 · Answer 6 · 2026-04-17 15:00:59

69

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Verify the identity: $2\cos^4 x - \cos^2 x - 2 \sin^2 x\cos^2 x + \sin^2 x = \cos^2 2x$

Published on 17 Apr 2026 - 15:00

score 1k · Answer 7 · 2026-04-17 02:10:06

1k

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Verify the identity $\sin 3x + \sin x = 4\sin x - 4\sin^3 x$

Published on 17 Apr 2026 - 2:10

score 93 · Answer 8 · 2026-04-16 14:03:26

93

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Another Verify the identity: $\sec^2 \frac{x}{2} = \frac{2}{1+\cos x}$

Published on 16 Apr 2026 - 14:03

score 272 · Answer 9 · 2026-04-12 20:07:56

272

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Find $\sum\limits_{k=1}^{12}\tan \frac{k\pi}{13}\cdot \tan \frac{3k\pi}{13}$

Published on 12 Apr 2026 - 20:07

score 217 · Answer 10 · 2026-04-17 05:13:57

217

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Calculate regular or equilateral triangle altitude with radius only possible?

Published on 17 Apr 2026 - 5:13

score 105 · Answer 11 · 2026-04-11 06:57:31

105

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How long is the diagonal of this trapezoid?

Published on 11 Apr 2026 - 6:57

score 5.9k · Answer 12 · 2026-04-16 05:41:12

5.9k

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Inverse Trig Functions with Double Angle Formulas

Published on 16 Apr 2026 - 5:41

score 56 · Answer 13 · 2026-04-17 10:30:10

56

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Find $\sin \left(x\right)$ given $\cos \left(2x\right) $ and an interval for $x$

Published on 17 Apr 2026 - 10:30

score 202 · Answer 14 · 2026-04-17 13:57:01

202

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FInd the sine and cosine of $2x$ given $\tan x = 3$ and $\sin x < 0$

Published on 17 Apr 2026 - 13:57

score 54 · Answer 15 · 2026-04-17 02:31:21

54

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Arc Tangents and Equation

Published on 17 Apr 2026 - 2:31

List Question

Trigonometry question finding the sin and tan

Trigonometry question (given that cosec x = 9)

$3\cos(x+1) =\cos(x+2)$. This is a equation, involving trigonometric functions.

Find intersection of line segment in rectangle perimeter.

Verify identity $\sin 2x - \cot x = -\cot x \cos 2x$

Verify the identity: $2\cos^4 x - \cos^2 x - 2 \sin^2 x\cos^2 x + \sin^2 x = \cos^2 2x$

Verify the identity $\sin 3x + \sin x = 4\sin x - 4\sin^3 x$

Another Verify the identity: $\sec^2 \frac{x}{2} = \frac{2}{1+\cos x}$

Find $\sum\limits_{k=1}^{12}\tan \frac{k\pi}{13}\cdot \tan \frac{3k\pi}{13}$

Calculate regular or equilateral triangle altitude with radius only possible?

How long is the diagonal of this trapezoid?

Inverse Trig Functions with Double Angle Formulas

Find $\sin \left(x\right)$ given $\cos \left(2x\right) $ and an interval for $x$

FInd the sine and cosine of $2x$ given $\tan x = 3$ and $\sin x < 0$

Arc Tangents and Equation

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