Question

Solve $\int \frac{\sin(x)+\cos(x)}{e^x}~dx$

score 174 · Answer 1 · 2026-04-15 21:49:53

174

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Solve $\int \frac{\sin(x)+\cos(x)}{e^x}~dx$

Published on 15 Apr 2026 - 21:49

score 71 · Answer 2 · 2026-04-17 00:47:21

71

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Solving trigonometric equation $\alpha = \arctan(o/q) - \arcsin(b/q)$

Published on 17 Apr 2026 - 0:47

score 130 · Answer 3 · 2026-04-11 17:17:26

130

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How to calculate anfle of inclination of the plane

Published on 11 Apr 2026 - 17:17

score 98 · Answer 4 · 2026-04-13 11:45:12

98

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Express $t$ through $a$ in $t-\sin(t)=a$.

Published on 13 Apr 2026 - 11:45

score 64 · Answer 5 · 2026-04-10 22:33:28

64

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Determinants Proof Problem

Published on 10 Apr 2026 - 22:33

score 361 · Answer 6 · 2026-04-15 23:37:24

361

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Prove this trigonometric identity $\frac{1 - \cosθ}{\sinθ} = \frac{\sinθ}{1 + \cosθ}$

Published on 15 Apr 2026 - 23:37

score 107 · Answer 7 · 2026-04-13 23:42:53

107

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How do I compute the real and imaginary parts of the complex number, $z = \tan (x + ix)$

Published on 13 Apr 2026 - 23:42

score 158 · Answer 8 · 2026-04-16 01:27:12

158

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Finding all the solutions to $\sin(5x) - \sin (3x) = \sqrt 2 \; \cos(4x)$

Published on 16 Apr 2026 - 1:27

score 67 · Answer 9 · 2026-04-09 17:18:57

67

Views

finding roots of an equation

Published on 09 Apr 2026 - 17:18

score 307 · Answer 10 · 2026-04-11 12:24:11

307

Views

How to compute $\cos(\pi / 3)$ with Angle sum and difference identities?

Published on 11 Apr 2026 - 12:24

score 630 · Answer 11 · 2026-04-16 02:43:25

630

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Can anybody provide any information about this equation? $2^2 = \left(x+\frac{1}{x}\right)^2 - \left(x-\frac{1}{x}\right)^2 $

Published on 16 Apr 2026 - 2:43

score 15.7k · Answer 12 · 2026-04-10 18:49:10

15.7k

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Value of cos 1 (angle is in radians)?

Published on 10 Apr 2026 - 18:49

score 24 · Answer 13 · 2026-04-15 14:19:27

24

Views

Trigonometric inequality of finding a smallest number

Published on 15 Apr 2026 - 14:19

score 1.6k · Answer 14 · 2026-04-10 19:12:54

1.6k

Views

Finding an equation for a spring which is pulled down from equilibrium (solution-verification)

Published on 10 Apr 2026 - 19:12

score 45 · Answer 15 · 2026-04-16 02:27:46

45

Views

Find $a,b$ from $\sin(2a)=\sin(2b)$, $a^2+b^2=1$

Published on 16 Apr 2026 - 2:27

List Question

Solve $\int \frac{\sin(x)+\cos(x)}{e^x}~dx$

Solving trigonometric equation $\alpha = \arctan(o/q) - \arcsin(b/q)$

How to calculate anfle of inclination of the plane

Express $t$ through $a$ in $t-\sin(t)=a$.

Determinants Proof Problem

Prove this trigonometric identity $\frac{1 - \cosθ}{\sinθ} = \frac{\sinθ}{1 + \cosθ}$

How do I compute the real and imaginary parts of the complex number, $z = \tan (x + ix)$

Finding all the solutions to $\sin(5x) - \sin (3x) = \sqrt 2 \; \cos(4x)$

finding roots of an equation

How to compute $\cos(\pi / 3)$ with Angle sum and difference identities?

Can anybody provide any information about this equation? $2^2 = \left(x+\frac{1}{x}\right)^2 - \left(x-\frac{1}{x}\right)^2 $

Value of cos 1 (angle is in radians)?

Trigonometric inequality of finding a smallest number

Finding an equation for a spring which is pulled down from equilibrium (solution-verification)

Find $a,b$ from $\sin(2a)=\sin(2b)$, $a^2+b^2=1$

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