Answer: The correct option is (c).
Step-by-step explanation: We are given to select the correct basic identity that we will use to verify the following:
We have
In order to verify the given trigonometric equation, we must have
Thus, the required identity that we will use is
Option (c) is CORRECT.
A fraction is a way to describe a part of a whole. The value of x is 6.
<h3>What is a Fraction?</h3>A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.
The value of x can be written as,
13x + 13 = 7x + 7 + 7x
13x + 13 = 14x + 7
x = 6
Hence, the value of x is 6.
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