Answer:
cos(∅) = 3/5
Step-by-step explanation:
cos(∅) = adjacent/hypotenuse
We don't know what the hypotenuse is so we gotta use Pythagorean theorem to find it.
a² + b² = c²
4² + 3² = c²
√(4² + 3²) = c
c = 5 , this is our hypotenus
cos(∅) = adjacent/hypotenuse
cos(∅) = 3/5
Check the picture below.
if you check your Unit Circle, it'd be there.
Answer:4 squares or a rectangle and a square
Step-by-step explanation:
Answer:
-15
Step-by-step explanation:
0)(2)+(2)(0)−15
=−15
