Find the exact value of the trigonometric function at the given real number. 1. a) cos 5pi/3 b) cos (-5pi/3) c) cos 7pi/3 2. a...
Find the exact value of the trigonometric function at the given real number. 1. a) cos 5pi/3 b) cos (-5pi/3) c) cos 7pi/3 2. a...
Show that the point is on the unit circle 1.) (5/13, 12/13) 2.) (√pi/6, 5/6) Find the terminal point on the unit circle...
The exact question was: "Rotate the coordinate axes to eliminate the xy term. 2x2 + 2(sqrt3)xy + 4y2 - 8 = 0" (sqrt= square root) ...
2tan25° -------------- 1−tan225° That's the best way I know how to format it.
I am busy going over some questions from my current maths topic but I'm stuck on this. the question states not to use a calculator, so do I use the reduction formulae if so, how?
The question asks to the nearest minute, it also asks express 172.45 as an angle.
1. What is the degree of the following monomial? -3f^3g^4h^5 2. Which of the following expressions is a polynomial? F(x)=-3x^4√x+13x^2-5x F(x)=2/x^2-15x F(x)=x^3-11x^2+3^x F(x)=2x^3-5x^5-2/9x^2+9 3...
Use the Law of Cosines to find angle B if a=4,b=6, and c=9 (Round to 2 decimals places) I don't know if this answer is right but this is what I did cos B = (6^2 - 4^2...
How do you solve for b?
A tetrahedron has edges of 5cm each. What is the angle between any two faces? Please explain how to answer this question. Thanks :)
Can you show me how to proof that this triangle in both situations as fast as you can thanx in advance
if cos (y-z)+cos(z-x)+cos(x-y)=-3/2,prove that cosx+cosy+cosz=0=sinx+siny+sinz
1. What are the formulas used to convert a point from rectangular coordinates to polar coordinates? 2. How can you describe rectangular coordinates in terms of their polar counter parts...
Use the fundamental identities to simplify the expression
London eye. The wheels 32 passenger capsules are attatched to the external circumfrence of the wheel and are rotated by electric motors. Each excursion lasts the lenght of time it takes to complete...
put into polar form
if tana=(-7/24) and cotb=3/4 for a second quadrant angle a and a third quadrant angle b find sin(a+b)
Find all solutions of the equation that are in the interval [0o, 360o). tanx+secx=1
Approximate to the nearest degree the obtuse angle whose sine is 0.8765
6tan(arcosx)