For this case we have that by definition of trigonometric relations of rectangular triangles, that the cosine of an angle is given by the leg adjacent to the angle on the hypotenuse of the triangle. Then, according to the figure we have:
So:
Answer:
Answer:
1. 12
2. 4
3. 6.8
4. 4.5
5 1.2
Step-by-step explanation:
i) less than
ii) greater than
iii) less than
iv) greater than
Step-by-step explanation:
do you need the calculations too?
For a function like this, all you have to do is substitute 8 in for x.
f(8)=9(8)-10
f(8)=72-10
f(8)=62
hope this helps!!
Answer:
7/9
Step-by-step explanation:
-7/5÷-9/5
- cancelled with each other
(7×5)/(9×5)
5 also cancelled with 5
then your answer is 7/9