MATHEMATICS
 👍 0
 👎 0
 👁 165
Respond to this Question
Similar Questions

math
if cos(BC)+cos(CA)+cos(AB)=3/2 then prove that cosA+cosB+cosC=O and sinA+sinB+sinC=O after that prove that cos(BC)=cos(CA)=cos(AB)=1/2
asked by Binoy kumar mahato on October 6, 2017 
Math Help Please
What are the ratios for sin A and cos A? The diagram is not drawn to scale. Triangle Description AB = 29 AC = 20 BC  21 A. sin A = 20/29, cos A = 21/29 B. sin A = 21/29, cos A = 20/21 C. sin A = 21/29, cos A = 20/29****? D. sin
asked by Battia Anne on June 7, 2016 
PreCal (Trig) Help?
The following relationship is known to be true for two angles A and B: cos(A)cos(B)sin(A)sin(B)=0.957269 Express A in terms of the angle B. Work in degrees and report numeric values accurate to 2 decimal places. So I'm pretty
asked by Giovanni on May 6, 2016 
math
Can you please check my work. A particle is moving with the given data. Find the position of the particle. a(t) = cos(t) + sin(t) s(0) = 2 v(0) = 6 a(t) = cos(t) + sin(t) v(t) = sin(t)  cos(t) + C s(t) = cos(t)  sin(t) + Cx + D
asked by Kay on June 23, 2011

Calculus
Find d^5/dx^5 g(x) for g(x)=sinx+5x^4 A. cos x B. sin x + 120 C. cos x +20x^3 D. cos x + 120 x E. sin x
asked by Stephanie on May 19, 2020 
Please help me with Trig
Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° =
asked by Jane on January 27, 2016 
Math
Explain how to do this with steps please. 1. Simplify cos(xy)+cos(x+y)/cosx I did some of these so far, don't know if it is correct. Formula: cosxcosy= cos(x+y)+cos(xy)/2 cos(xy)+cos(x+y)/cosx =cosxcosy/2cosx
asked by Jake on January 26, 2012 
Trig.
sec^2xcotxcotx=tanx (1/cos)^2 times (1/tan)(1/tan)=tan (1/cos^2) times (2/tan)=tan (2/cos^2tan)times tan=tan(tan) sq. root of (2/cos^2)= sq. root of (tan^2) sq. root of (2i)/cos=tan I'm not sure if I did this right. If I
asked by Trig on January 9, 2010

Studying for Pre Cal exam
Find the fourth roots of − 1/2 + (square root)3/2 i Write the roots in trigonometric form. A  w 1=cos(35°)+isin(35°) w2 =cos(125°)+isin(125°) w3 =cos(215°)+isin(215°) w4 =cos(305°)+isin(305°) B  w1
asked by Lottie on July 13, 2016 
trig
Reduce the following to the sine or cosine of one angle: (i) sin145*cos75  cos145*sin75 (ii) cos35*cos15  sin35*sin15 Use the formulae: sin(a+b)= sin(a) cos(b) + cos(a)sin(b) and cos(a+b)= cos(a)cos(b)  sin(a)sin)(b) (1)The
asked by Paul C on November 26, 2006 
Algebra
Write an equation for the translation of the function. y = cos x; translated 6 units up A. y = cos x 6 B. y = cos(x + 6) C. y = cos x + 6 D. y = cos(x 6) I think its B or c..
asked by Veronika on February 23, 2016 
Math
Show using integration by parts that: e^3x sin(2x)dx = 4/26 e^3x (3/2 sin(2x)  cos(2x)) +c Bit stuck on this. Using rule f udv = uv  f vdu u = e^3x dv + sin(2x)dx f dv = v du/dx = 3e^3x v = 1/2 cos(2x) so uv  f vdu: =
asked by Danny on March 24, 2016
You can view more similar questions or ask a new question.