Find the exact value of the following by using addition and subtraction formulas.
a. tan / 12)
b. tan (− / 12)
c. tan ( / 12)
d. tan (− / 12 )
e. / 4) + / 12) / 1− / 4) / 12)
f. / 3)− / 12) / 1+tan( / 3) tan( / 12)
g. / 12)+tan( / 12) / 1− / 12 tan( / 12)

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step-by-step explanation:

the answer is -1 1/5, also a

hope i

-lavira : )

18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²

step-by-step explanation:

i'm not sure how to show the work for this

answer : c and d or 4(29 + 6)

4(29) + 4(6)