Question

Find y function of cos(y) = x

score 618 · Answer 1 · 2026-04-13 22:26:07

618

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Find y function of cos(y) = x

Published on 13 Apr 2026 - 22:26

score 153 · Answer 2 · 2026-04-16 04:49:54

153

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What can I conclude from this inequality?

Published on 16 Apr 2026 - 4:49

score 675 · Answer 3 · 2026-04-12 16:28:43

675

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Solve, for $0° < x < 180°$, the equation $\sin(2x + 50°) = 0.6$

Published on 12 Apr 2026 - 16:28

score 247 · Answer 4 · 2026-04-11 20:30:21

247

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What's the best way to approximate two added sine waves with one?

Published on 11 Apr 2026 - 20:30

score 1.2k · Answer 5 · 2026-04-14 02:28:55

1.2k

Views

Find the formula for the height of a triangle using ONLY the base length and two angles.

Published on 14 Apr 2026 - 2:28

score 221 · Answer 6 · 2026-04-15 19:19:15

221

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Let $z = \sin(4t)+i(1-\cos(4t)), t \in [0,\pi/4)$; find $|z|$ and $\text {arg} (z)$

Published on 15 Apr 2026 - 19:19

score 804 · Answer 7 · 2026-04-13 12:07:57

804

Views

prove tan(a+b) identity

Published on 13 Apr 2026 - 12:07

score 152 · Answer 8 · 2026-04-16 20:21:50

152

Views

if $0 < x <1$, How can I prove $ \ln{x} > 1- \frac{1}{x}$ without derivative or integral

Published on 16 Apr 2026 - 20:21

score 62 · Answer 9 · 2026-04-12 06:07:14

62

Views

Is would possible to describe length just in degrees

Published on 12 Apr 2026 - 6:07

score 92 · Answer 10 · 2026-04-14 09:08:44

92

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How to solve for $V$, given the equation $943460=V^2\ln\left[\cosh\left(\frac{3735.2}{V}\right)\right]$

Published on 14 Apr 2026 - 9:08

score 34 · Answer 11 · 2026-04-08 19:43:27

34

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Trigonometric Substitutions: When to substitute what?

Published on 08 Apr 2026 - 19:43

score 1.9k · Answer 12 · 2026-04-16 02:49:03

1.9k

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Prove the identity $\sin\theta/(1+\cos\theta)=(1-\cos\theta)/\sin\theta$

Published on 16 Apr 2026 - 2:49

score 2.5k · Answer 13 · 2026-04-14 23:21:47

2.5k

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Prove a trigonometric identity: $\cos^2A+\cos^2B+\cos^2C+2\cos A\cos B\cos C=1$ when $A+B+C=\pi$

Published on 14 Apr 2026 - 23:21

score 45 · Answer 14 · 2026-04-16 14:17:55

45

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Solving $\sin(\arcsin(a-x) -c) = \sin(\arcsin(b+x)+\pi-c) + d$ for $x$

Published on 16 Apr 2026 - 14:17

score 101 · Answer 15 · 2026-04-09 19:53:20

101

Views

The Integration Constant in the Formula for a Catenary

Published on 09 Apr 2026 - 19:53

List Question

Find y function of cos(y) = x

What can I conclude from this inequality?

Solve, for $0° < x < 180°$, the equation $\sin(2x + 50°) = 0.6$

What's the best way to approximate two added sine waves with one?

Find the formula for the height of a triangle using ONLY the base length and two angles.

Let $z = \sin(4t)+i(1-\cos(4t)), t \in [0,\pi/4)$; find $|z|$ and $\text {arg} (z)$

prove tan(a+b) identity

if $0 < x <1$, How can I prove $ \ln{x} > 1- \frac{1}{x}$ without derivative or integral

Is would possible to describe length just in degrees

How to solve for $V$, given the equation $943460=V^2\ln\left[\cosh\left(\frac{3735.2}{V}\right)\right]$

Trigonometric Substitutions: When to substitute what?

Prove the identity $\sin\theta/(1+\cos\theta)=(1-\cos\theta)/\sin\theta$

Prove a trigonometric identity: $\cos^2A+\cos^2B+\cos^2C+2\cos A\cos B\cos C=1$ when $A+B+C=\pi$

Solving $\sin(\arcsin(a-x) -c) = \sin(\arcsin(b+x)+\pi-c) + d$ for $x$

The Integration Constant in the Formula for a Catenary

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