Asked by chizoba
Using the graph of y=cos(x), list all values of x on the interval [-11π/3,11π/6] that satisfy the ordered pair of (x,-1/radical2).
- List all the values of (x,-1/radical2)
(Type an exact answer using π as needed. Use a comma to separate answers as needed. Use integers or fractions for any numbers in the expression.)
- Please, someone, help me. Show work step by step so that I can learn it. I have no idea where to start, so please be specific on the steps on how to solve it. Thank You
- List all the values of (x,-1/radical2)
(Type an exact answer using π as needed. Use a comma to separate answers as needed. Use integers or fractions for any numbers in the expression.)
- Please, someone, help me. Show work step by step so that I can learn it. I have no idea where to start, so please be specific on the steps on how to solve it. Thank You
Answers
Answered by
Scott
1/√2 is the cosine of 45º (π/4)
... that is the reference angle
-1/√2 is the cosine of
... ±3π/4
... add or subtract multiples of 8π/4 to find the values on the interval
x values...-13π/4, -11π/4, -5π/4, -3π/4, 3π/4, 5π/4
... that is the reference angle
-1/√2 is the cosine of
... ±3π/4
... add or subtract multiples of 8π/4 to find the values on the interval
x values...-13π/4, -11π/4, -5π/4, -3π/4, 3π/4, 5π/4
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.