Tan (x + pi/2) = -cot x
<span>tan (pi/6 + pi/2) = -cot (pi/6) </span>
<span>tan (2pi/3) = -cot (pi/6) </span>
<span>-sqrt (3) = -[sqrt 3] <<< so it is true for x = pi/6</span>
Answer: 258.64
Step-by-step explanation:
Answer:
-2x-1
Step-by-step explanation:
first you simplify what is inside the parenthesis to get: -1/3(6x+3)
then, you distribute the -1/3 to each of the numbers inside the parenthesis to get: -2x-1