x = -6 is the equation for this question.
Answer:
Step-by-step explanation:
we know that
The formula of law of cosines is equal to
where
a, b and c are sides. C is the angle opposite side c
In this problem we have
substitute the given values
Answer:1 over r to the power of 10 or C
Step-by-step explanation:
Answer: Yes my bestfriend
Step-by-step explanation: