In Problems 712, find the exact value of each expression. cos(-120)
Question:
In Problems 7–12, find the exact value of each expression.
Transcribed Image Text:
cos(-120°)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 44% (9 reviews)
To find the exact value of cos120 degrees we can use the trigonometric identity that relates cosine ...View the full answer
Answered By
ROXAN VEGA
I have extensive hands-on experience and proficiency in assisting students in various subjects. During my tutoring sessions, I prioritize creating a supportive and engaging learning environment. I strive to understand each student's unique learning style and tailor my teaching methods accordingly. I am patient, empathetic, and skilled at breaking down complex concepts into simpler, more manageable parts. I encourage active participation and discussion, promoting critical thinking and problem-solving skills.
One of my strengths as a tutor is my ability to adapt to different learning needs and styles. I can explain difficult concepts using real-life examples, visual aids, or interactive exercises, depending on what works best for the student. I also provide clear explanations, answer questions, and offer guidance in a clear and concise manner.
0.00
0 Reviews
10+ Question Solved
Related Book For
Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
Question Posted:
Students also viewed these Mathematics questions
-
In Problems 2534, find the exact value of each expression. 7 5T 7 $77-sin sin 12 12 12 5T cos- -cos- 12
-
In Problems 2534, find the exact value of each expression. cos COSCOS + + sin. 5 12 5 T sin sin 12 12
-
In Problems 2534, find the exact value of each expression. 12- cos sin 12 12 sin co cos- 12
-
Solve the linear equation with the x-intercept method. Check your answer. Approximate the solution to the nearest thousandth whenever appropriate. -1-x = = 0
-
What factors affect a company's translation exposure? What can the company do to affect its degree of translation exposure?
-
The double T-beam is fabricated by welding the three plates together as shown. Determine the shear stress in the weld necessary to support a sheer force of V = 80 kN. 20 mm 150 mm 50 mm 75 mm 50 mm...
-
Alternatives 1, 2, and 3 have lives of 3, 4, and 6 years, respectively. Their net cash flow (NCF) and salvage value (SV) profiles are as follows: Additional explanation is necessary: The NCF profile...
-
Suppan Manufacturing Company manufactures a variety of tools and industrial equipment. The company operates through three divisions. Each division is an investment center. Operating data for the Home...
-
1. [10] Is Grtzsch graph M(C5) Hamiltonian? Is the complement of M(C5) Hamilto- nian? Justify your answer.
-
In Problems 3 22, find the amplitude (if one exists), period, and phase shift of each function. Graph each function. Be sure to label key points. Show at least two periods. y = 4 cos(4x + ) - 2
-
Which of the following functions is even? (a) Cosine (b) Sine (c) Tangent (d) Cosecant
-
A bank in downtown Boston is robbed (see the map in Fig. 3-38). To elude police, the robbers escape by helicopter, making three successive flights described by the following displacements: 32km, 45o...
-
You must also show all steps in your calculation to earn full credit. Lagos Corp. recorded sales of $345,000 in 2010. In addition, its accounts receivable and accounts payable balances at the...
-
Let's say in addition to the $30,000 inheritance, you also get $10,000 in savings bonds from another relative. If you saved/invested this $40,000 for 40 years at 6%, how much would you have by the...
-
PART ADenver Limited is a manufacturing company, located in central Jamaica. The following information was provided to you:Denver Limited acquired control of Portland Industries Limited ( PIL ) by...
-
A company is considering a project that will cost will be depreciated to zero over the project's $150,000. The initial cost 8 year tax life, but has an estimated market value of $20,000 at the end of...
-
You went to the doctor. There are 8 patients waiting ahead of you. The nurse told you it will be your turn after 3 hours. How many minutes would the doctor use to see each patient?
-
Mathematical Calculate the hydroxide ion concentration, [OH], for each of the materials used in Question 24.
-
To balance the chemical equation SiH3 + O2 SiO2 + HO, you could introduce coefficients a, b, c, d and write aSiH3 + bO2 cSiO + dHO then write linear equations for each element. The equation for Si...
-
Establish the identity. sincsc - sin 2 = cos 2
-
Establish the identity. sin 2 (1 + cot 2 ) = 1
-
Establish the identity. (1 - sin 2 ) (1 + tan 2 ) = 1
-
Describe a recent "big" decision you made (professional or personal). Evaluate your decision-making process. Which of the steps outlined in the rational decision-making process did you use? Did any...
-
How do our biases affect decision making? Think about the topic of ethics in light of the decision-making biases mentioned. Can our biases "cause" unethical behavior? Why or why not?
-
How do you currently or how will you be your student's champion? The introduction of The Listening Leader lists what a transformational school looks like (xxx). Do you agree or disagree with this...
Study smarter with the SolutionInn App