Factor the trigonometric expression. 10 cos2 x + 21 cos x − 10

Factor the trigonometric expression. 10 cos2 x + 21 cos x − 10 There is more than one correct form of the answer.

in Trigonometry Answers by
recategorized

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

me suspekt that straenj stuf shood be

10*kosine^2(x) +21 kosine(x)-10

let kosine(x) be x & yu hav 10x^2+21x-10=0

yuze quadratik equashun...

anser:  (x-0.4)*(x+2.5)

put kosine bak in
by

Related questions

1 answer
cos(x + y) cos(x − y) = cos2 x − sin2 y
asked Dec 3, 2011 in Trigonometry Answers by anonymous | 1.5k views
1 answer
(cos2(cos(cos t)))
asked Nov 6, 2012 in Calculus Answers by anonymous | 591 views
2 answers
4 cos 45° - 2 sin 45°
asked Apr 28, 2013 in Trigonometry Answers by anonymous | 3.3k views
1 answer
cos^2 (2x)=1+ sin^2 (2x)
asked Jan 31, 2013 in Trigonometry Answers by anonymous | 885 views
1 answer
cos(40 π t) sin(60 π t)
asked Sep 17, 2012 in Trigonometry Answers by Tushar Sharda Level 1 User (120 points) | 1.1k views
0 answers
cos 35° − cos 25°
asked Apr 13, 2012 in Trigonometry Answers by anonymous | 959 views
1 answer
Simplify csc x - cos x cot x
asked Apr 14, 2014 in Calculus Answers by anonymous | 1.2k views
1 answer
x=3 sin^3t;y=3 cos^3t graph.
asked Mar 6, 2013 in Calculus Answers by anonymous | 2.6k 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
731,842 users