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What is this expression as the cosine of an angle cos30cos55 plus sin30sin55?
cos(30)cos(55)+sin(30)sin(55)=cos(30-55) = cos(-25)=cos(25) Note: cos(a)=cos(-a) for any angle 'a'. cos(a)cos(b)+sin(a)sin(b)=cos(a-b) for any 'a' and 'b'.
What is cos2 A?
Cos(2A) = Cos(A + A) Double Angle Indentity Cos(A+A) = Cos(A)Cos(A) - Sin(A)Sin(A) => Cos^(2)[A] - SIn^(2)[A] => Cos^(2)[A] - (1 - Cos^(2)[A] => 2Cos^(2)[A] - 1
Express all the trignometric ratios in terms of COS A?
Provided that any denominator is non-zero, sin = sqrt(1 - cos^2)tan = sqrt(1 - cos^2)/cos sec = 1/cos cosec = 1/sqrt(1 - cos^2) cot = cos/sqrt(1 - cos^2)
What is cos 30?
cos(30 = 0.8660254038
What is cos 16.5?
COS 16.5 = 0.7
What is 29 percent of 85?
29% of 85 = 29% * 85 = 0.29 * 85 = 24.65
What is 85 subtract 29?
56
Range of 69 85 72 98 85?
69 72 85 85 98range = 98 - 69 = 29
What is 85 over 29 as a percentage?
% rate:= 85/29 * 100%= 2.931 * 100%= 293.1%
what is the awenser to 3x - 29 = -2?
(-85)
What is 2478 divided by 29?
85.4483
What is the range of these numbers 69 85 72 98 85?
29
What are the release dates for Jeopardy - 1984 29-85?
Jeopardy - 1984 29-85 was released on: USA: 11 January 2013
What number is 85 percent of 29?
24.65
What is the sum of 65 85 163 29?
342 is the sum.
How do you solve triangle EFG given that f equals 15 g equals 18 and f equals 29?
I assume you mean EFG are the interior angles you need to find and efg are the sides( must be sides as they do not add to 180). Use law of cosines. Need to change to your letters; twice. Then for third angle subtract from 180 degrees I assume you mean e = 29 ( you need to be more careful in mathematics ) DEGREE MODE! f^2 = g^2 + e^2 - 2ge cos(F) 15^2 = 18^2 + 29^2 - 2(18)(29) cos(F) 225 = 1165 - 1044(cos F) -940 = -1044(cos F) 0.90038 = cos F arcos(0.90038) = F F = 26 degrees g^2 = e^2 + f^2 - 2ef cos(G) 18^2 = 29^2 + 15^2 - 2(29)(15) cos(G) 324 = 1066 - -870(cos G) -742 = -870(cos G) 0.85287 = cos G arcos(0.85287) = G G = 31 degrees Now just subtract these answers from 180 degrees for E 180 - 26 - 31 E = 123 degrees F = 26 degrees G = 31 degrees
How many miles from alpharetta ga to lynchburg va?
435 miles taking this route:Take SR-120 EAST from Alpharetta to I-85 in Duluth. At JCT I-85, follow signs to I-85 NORTH.Take I-85 NORTH to U.S. 29 NORTH (& I-85 BUSINESS and U.S. 70 EAST) to GREENSBORO at EXIT 120A in NORTH CAROLINA.Follow U.S. 29 NORTH to Lynchburg.
