0
Still curious? Ask our experts.
Chat with our AI personalities
ProfessorI will give you the most educated answer.
Chat with Professor
CoachSuccess isn't just about winning—it's about vision, patience, and playing the long game.
Chat with Coach
JordanLooking for a career mentor? I've seen my fair share of shake-ups.
Chat with JordanAdd your answer:
Earn +20 ptsQ: Why does cos2 equals pi?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
Sec²x - tan²x equals?
sec2(x) - tan2(x)= 1/cos2(x) - sin2(x)/cos2(x)= (1 - sin2(x)) / cos2(x)= cos2(x) / cos2(x)= 1
How do you verify cos2 theta divided by csc2 theta plus cos4 theta equals cos2 theta?
Using x instead of theta, cos2x/cosec2x + cos4x = cos2x*sin2x + cos4x = cos2x*(sin2x + cos2x) = cos2x*1 = cos2x
3 plus pi equals pi plus 3?
Yes
Y equals 4 sin x for x equals pi?
sin(pi) = 0 so 4*sin(pi) = 0 so Y = 0
What equals 3.14159?
it is pi rounded
Trending Questions
Which value is a reasonable approximation of 8 plus the square root of 27?
What land form is shaped like a triangle?
Is a 6 minute mile fast for an average runner?
What is the GCF of 720 and 2100?
What is the integers less than 6 but greater than -2?
What is 15 over 9 as a mixed number?
How do you convert square footage to length and width?
1 ton equals 2000 pounds?
Can 232 over 1000 be simplified?
What is the eqivalent fraction of 7 over 11?
What is 5 less than -2?
What is 226796kgs rounded off?
What operation is indicated by a fraction bar?
Is plenty and adjective?
What is a 3000000 sided shape called?
What is the percentage of 22 out of 34?
What times what is 1500?
Does box plot provide info on skewness?
What are resiprocals?
What day of the week was October 2 1945?
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.