What does the law of cosines reduce to when dealing with a right triangle

Pythagorean theorem

Step-by-step explanation:

We know that for a triangle if we know two sides and the included angle, the third side can be found out using cosine formula

For a right angle triangle right angled at A this becomes

This is nothing but Pythagorean theorem

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.

from the sentence, "tomorrow morning, akiko will arrive an hour late" depicts a third person perspective because it doesn't use any pronoun to replace akiko, the subject of the sentence, and it is in singular form since akiko is only one person.