Answer:
Below.
Step-by-step explanation:
- tan 2x = -2tanx / (1 - tan^2x)
Using the identity tan^2x = sec^2x - 1 and substituting for tan^2x:
- tan 2x = -2 tanx / (1 - (sec^2x - 1))
= 2 tanx / ( - 1(sec^2x + 2))
= 2 tan x / (sec^2 x - 2)
Answer is -10
Work: -(5+5)
Answer:
The answer is B. 4cm
Step-by-step explanation:
Since it is the midpoint AC is always going to be the same as CB if C is the midpoint.
:)
Answer:

Step-by-step explanation:
4 1/2 × 2 3/5
9/2 × 2 × 3/5
9 × 3/5
<u>=</u><u> </u><u>2</u><u>7</u><u>/</u><u>5</u><u> </u><u>=</u><u> </u><u>5</u><u> </u><u>2</u><u>/</u><u>5</u>
Answer:
b
Step-by-step explanation: