1:Right Triangles and

Trigonometry

What is the value of x?

The Pythagorean

Theorem

Quiz: The Pythagorean

Theorem

Special Right Triangles

50

Quiz: Special Right Triangles

The Tangent Ratio

Quiz: The Tangent Ratio

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2