0
Still curious? Ask our experts.
Chat with our AI personalities
ProfessorI will give you the most educated answer.
Chat with Professor
JudySimplicity is my specialty.
Chat with Judy
EzraFaith is not about having all the answers, but learning to ask the right questions.
Chat with EzraAdd your answer:
Earn +20 ptsQ: Does cos x equal cos negative x?
Write your answer...
Submit
Still have questions?
Continue Learning about Other Math
What is cos of a negative angle?
The cosine function is an even function which means that cos(-x) = cos(x). So, if cos of an angle is positive, then the cos of the negative of that angle is positive and if cos of an angle is negative, then the cos of the negative of that angle is negaitive.
What is Cos squared x equal to?
Cos^2 x = 1 - sin^2 x
What does Sin squared x Cos squared x equal?
sin2 x = (1/2)(1 - cos 2x) cos2 x = (1/2)(1 + cos 2x) Multiplying both you get (1/4) (1 - cos2 2x) Which is equal to (1/4) (1 - (1/2) (1 + cos 4x) = (1/8) (2 - 1 - cos 4x) = (1/8) (1 - cos 4x) Or If it is the trigonomic function, sin squared x and cosine squared x is equal to one
Why is 2 sin theta cos theta equal to sin 2theta?
because sin(2x) = 2sin(x)cos(x)
What is the derivative of cos x?
d/dx(-cosx)=--sinx=sinx
Trending Questions
How do you solve 6 21 b 6 21 b?
How do you get a sum and the product of the roots?
What is after virgintillion?
What is 0.30 inch inches?
What is two thirds of 8000 dollars?
What is 964 times 83?
What is the NSTD 2.4 character code?
What is 1.75 percent of 10000?
What is 2542 to the nearest hundred?
How do you graph y equals mx plus b?
How do you round 956 to nearest hundred?
How many hours from 6am to 6pm?
What type of pronoun is anything?
0.75 liters equals how many milliliters?
What is 6 percent of 155?
200 x 0.5 equals?
What two numbers multiply to get to 208?
What is oilers number?
How do you round off 5463 to the nearest 1000?
Can you translate the difference of a number and 7 is -8 into an equation?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.