compute: 2tan pie/8 all over 1-tan 2pie/8

show the solution.
in Trigonometry Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

pi=180 deg, so pi/8=180/8=22.5 deg... tan(22.5)=0.414213562... 2*tan(22.5)=0.828427124... #### (2/8)pi=pi/4=180/4=45 deg... tan(45 deg)=2...
by

Related questions

1 answer
calculate: 3 tan pie/6- sec pie/4 + 4 cot^2 (2pie/3)
asked Jan 9, 2016 in Trigonometry Answers by nikki | 720 views
1 answer
compute: sin(pie/8) cos(pie/8)
asked Aug 19, 2013 in Trigonometry Answers by anonymous | 544 views
1 answer
show that 2tan-1(-3) = -pi/2 + tan-1(-4/3)
asked Jun 8, 2013 in Trigonometry Answers by anonymous | 1.0k views
1 answer
(tan (t)- sin (t))/2tan(t)=sin^2 (t/2)
asked Apr 19, 2012 in Trigonometry Answers by pele1313 Level 1 User (120 points) | 770 views
2 answers
How do I prove that tan^4theta - sec^4theta = -2tan^2 -1
asked Oct 23, 2011 in Trigonometry Answers by anonymous | 915 views
1 answer
y=tan(2tan^-1x/2) show that dy/dx=4(1+y^2)/4+x^2
asked Jan 19, 2013 in Calculus Answers by anonymous | 2.0k views
0 answers
sec^4x-tan^4x=1+2tan^2x
asked Mar 23, 2012 in Calculus Answers by anonymous | 1.7k views
1 answer
simplify: sin(x+pie).tan(x+pie/2).sec(pie/2 - x)
asked Jan 10, 2016 in Trigonometry Answers by nikki | 634 views
1 answer
Tan (5 pie/6)
asked Jan 11, 2013 in Trigonometry Answers by anonymous | 1.2k views
2 answers
convert the following angle to degrees: 2pie/3
asked Jan 8, 2016 in Trigonometry Answers by anton | 1.3k views
1 answer
If 2tanB+cotB=tanA,prove that 2tan(A-B)=cotB
asked Nov 18, 2013 in Trigonometry Answers by Aarush Level 1 User (160 points) | 8.4k views
1 answer
solve (1/2)*2tan 2x + sin x
asked Oct 15, 2013 in Trigonometry Answers by max | 615 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,308 users