2x + 1
You can find that by switching the signs in the second set of parenthesis and then adding.
Answer:
9
Step-by-step explanation:
25-7=18
half of 18 is 9
Answer:
B
Step-by-step explanation:
Answer: Tan(0) = 4/3
Explanation: SOH CAH TOA
Tan = Opposite/ Adjacent
Tan (0) = 4/3
Answer:

Step-by-step explanation:
Given that:

for 
That means, angle
is in the 3rd quadrant.
To find:
Value of cot(t)
Solution:
First of all, let us recall what trigonometric ratios are positive and what trigonometric ratios are negative in 3rd quadrant.
In 3rd quadrant, tangent and cotangent are positive.
All other trigonometric ratios are negative.
Let us have a look at the following identity:

here, 
So, 

But, angle
is in 3rd quadrant, so value of
