Answer:
+3x + 7 to make the sum x3
Step-by-step explanation:
to find the sum of 3 and to solve it to get the value of x
This is an obtuse triangle because one angle of it is greater than 90 degrees :)
Answer:
gzgkvxgujdruutdtuhfdykjzfuk
Solution: The missing reason in Step 8 is substitution of .
Explanation:
The given steps are used to prove the formula for law of cosines.
From step 5 it is noticed that our equation is
..... (1)
From step 7 it is noticed that the value of is .
So by substituting for in equation (1) we get the equation of step 8, i.e.,
Hence, the missing reason in Step 8 is substitution of .
Answer:
Donda
Step-by-step explanation: