# Problems

1 – 20 of 20
 Problem Title Likes Solvers Difficulty

#### Problem 44880. Angle between two vectors

Created by: Siddhant Shenoy

1

30

#### Problem 43563. Calculate cosine without cos(x)

Created by: Marco Tullio

1

90

#### Problem 336. Similar Triangles - find the height of the tree

Created by: Bruce Raine

4

251

#### Problem 2772. Find out phase angle of second order system.

Created by: Pritesh Shah

1

66

#### Problem 44271. 0<=x<=pi?

Created by: AMITAVA BISWAS

0

121

#### Problem 2518. Find out value of sine given by degree.

Created by: Pritesh Shah

1

297

#### Problem 44282. Minimum possible M of the maximum side of a triangle of given area A.

Created by: AMITAVA BISWAS

0

40

#### Problem 43564. Calculate sin(x) without sin(x)

Created by: Marco Tullio

1

86

#### Problem 44070. Under the sea: Snell's law & total internal reflection

Created by: Jihye Sofia Seo

2

43

Created by: goc3

1

36

3

23

#### Problem 837. Find all the zeros of sinus , cosinus and tangent in a given interval

Created by: Aurelien Queffurust

1

18

#### Problem 401. cos for boss?

Created by: AMITAVA BISWAS

2

61

#### Problem 45345. Grazing-01

Created by: Asif Newaz

2

17

#### Problem 2495. Find the first N zeros of the 666 function

Created by: Peter Cook

2

22

#### Problem 1460. Cosine frequency doubler

Created by: Richard Moore

2

20

#### Problem 44492. Approximate the cosine function

Created by: Shaul Salomon

1

337

#### Problem 1257. PONG 001: Player vs Wall, 4 Lives, Interactive download

Created by: Richard Zapor

1

10

#### Problem 57512. Easy Sequences 89: Double Summation of a Trigonometric Product

Created by: Ramon Villamangca

1

1

#### Problem 45374. Hanging cable - 02

Created by: Asif Newaz

1

7

1 – 20 of 20