Choose which trig ratio to use. - Choose either sin, cos, or tan by determining which side you know and which side you are looking for. - Solve the resulting equation to find the length of the side. Step 1: Choose which trig ratio to use.
Answer:
The answer is 4143. 36 but I don't know why there are fractions
Step-by-step explanation:
Wrong
Please mark Brainliest
Answer:
The correct answer is 6.
Step-by-step explanation:
2x2 – 2x + 10 <------ This is the original expression.
2x2 – 2(4) + 10 <----- Change the variable.
4 - 2(4) + 10 <------- Do the multiplication to the left.
4 - 8 + 10 = <------ Do the multiplication in the middle.
-4 + 10 = <----- Do the subtraction to the left.
6 <----- Simplify
Hope this helps! :D
Answer:
A
Step-by-step explanation:
We know that 
.
We also know that 
.
We can combine these facts to get 
.
So, the answer is 
and we're done!
<em>Note: the non-negative part or the equation comes from the fact that you assume the square root of a negative number doesn't exist. You will change this assumption later in the year, or in further years.</em>
