9000086710 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

9000086710

Source Problem:

Accepted:

1

Clonable:

1

Easy:

0

Identify the equation which arises from the following equation using an optimal substitution.

2 tg x + 3 cotg x = 5

2 t^{2} - 5 t = - 3

2 t^{2} + 3 t - 5 = 0

2 t = \frac{3}{5}

2 t + 3 t = 5