1003086008 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

1003086008

Accepted:

1

Clonable:

0

Easy:

1

The solution set of the equation

tg x \cdot cotg x = 1

for

x \in R

is:

R ∖ {\frac{k π}{2} : k \in Z}

R

R ∖ {k π : k \in Z}

R ∖ {2 k π : k \in Z}