Using trigonometric identities, it is found that the exact value of the secant of the angle is given by:
c.
<h3>How is the tangent related to the secant?</h3>
According to the following identity:
The tangent is the inverse of the cotangent, hence in this problem, we have that:
Then, the secant is given as follows:
The angle is in the second quadrant, where the cosine is negative, hence the secant also is and option c is correct, that is:
c.
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If you expand the square, you have
Simplify the right hand side:
Cancel the -3x appearing on both sides:
Multiply both sides by 4:
Consider the square root of both terms (using the doubles sign):
Let's begin by listing out the given information:
The commutative property states that for addition, the order in which we add numbers does not change their sum & for multiplication, the order in which we multiply does not change their product.
Mathematically expressed as:
Therefore, the commutative property of this is:
Therefore, Option D is the correct answer
Answer:
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