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how to define arc cosine(cosine x) for 360 deg
asked by mahima on June 1, 2007 
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Determine the correct formula for the measures of all angles coterminal with the angle: 140° a. 140° + (360° + n) b. 140° + n(360°) c. 360° + n(180°) d. 360° + (180° + n)
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A body accelerates uniformly from rest and covers a distance of 180m in 6s. Calculate the magnitude of its acceleration. . solution S=ut+1/2at^2 180=0x6+1/2xax6^2 180=0+a/2x6^2 1800=36a/2 180=36a/2 180x2=36a 360=36a 360/36=36a/36
asked by Josh on July 26, 2016 
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The measure of an interior angle of a regular polygon is 135 degrees. Find the number of sides in the polygon. This is what I tried: 180(x2)=135 [Interior Angle Sum Theorem] x2=.75 x=2.75 That can't be right though. Help? Not
asked by Emily on March 27, 2007 
Algebra 2
The formula A = 180(n2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an interior angle measures 120 degrees, find the number of sides A)5 B)6 C)8 D)10 I have NO clue on how to
asked by erin on July 15, 2007 
Trig (Last URGENT)
sin2x+cosx=0 , [180,180) = 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^1(0) x1=90 x2=36090 x2=270 270 doesn't fit in [180,180) what do I do? Or maybe I did something wrong. sinx=1/2 x1=sin^1(1/2) x1=30 x2=18030 x2=150
asked by Anonymous on February 22, 2012 
Math 301
1) Determine the approximate measure of all angles that satisfy the following. Give answers to two decimal places. Use diagrams to show the possible answers. a) cos θ = 0.42 in the domain π ≤ θ ≤ π b) tan θ = 4.87 in
asked by Izz on October 30, 2017 
Maths
1) Simplification (trigonometric ratios of allied angles)? Simplify : i) [cos^2 (2x180A). tan^2 (180+A). sec^2 (180A)] / [ sin^2 (3x180+ A). cosec^2 (A). cot^2 (90+A)] ii)[ cos(90+A). sec(270+A). sin(180A) ] / [ cosec (A).
asked by Roy on May 2, 2013 
equation complex number
z^4 + 81 = 0 (solve) change it to polar, then take the root. z^4= 81@180 z= 3@180/4 + n90 where n=0, 1, 2, 3 check: z= 3@180/4 + 3*90=3@315 z^4=81@(4*315)=81@1260= 91@180=81 you can check it at the other roots also. this is what
asked by kevin on November 3, 2006 
C Programming
How do you reprompt after the user inputs a wrong number into the program in C Programming? Loop structure? i.e. I want my code to do this: Enter a Compass Heading: 500.7 Please Input a Compass Heading between 0 and 360 Degrees.
asked by gnozahs on September 30, 2009