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What is the equation for cosine?
cos = adjacent / hypotenuse
How To Use SohCahToa?
Sin= Opposite/Hypotenuse Cos= Adjacent/Hypotenuse Tan= Opposite/Adjacent
What is the hypotenuse of the right triangle if the angle measures are 90 degrees 70 degrees and 20 degrees and one leg length is 850?
It depends on which leg is 850... If the leg on the bottom is 850, then you do 850/cos(20) (which gives you 904.55), if it is the leg on the side, then you do 850/sin(20) (which gives you 2485.233). You get this by solving for the formula Cos(Angle)=Adjacent/Hypotenuse, or Sin(Angle) = Opposite/Hypotenuse.
What is the hypotenuse of a right triangle with the adjacent side measuring 4.0 and a degree of 58?
Cos(58) = 4/Hypotenuse so H = 4/Cos(58) = 7.55 units.
What is the trigonometric ratio for Cos?
the adjacent side over the hypotenuse
Formula for finding the hypotenuse of a triangle?
Two methods ;- #1 ; Use Pythagoras, if the lengths of the other two sides are known. h^(2) = s(1)&(2) + s(2)^(2) In words, 'The hypotenuse squared is the sum of the squares of the other two sides. #2 ; Use Trigonometry (trig.) is the length of one side and an angle are known . Hence Sin(angle) = opposite / hypotenuse hypotenuse = opposite / Sin(angle) or Cos(angle) = adjacent/hypotenuse hypotenuse = adjacent/Cos(angle).
What is cos of angle a with a hypotenuse of 13 and adjacent of 5 and a opposite of 12?
Cos(angle) = adjacent / hypotenuse. Cos(a) = a/h Substitute Cos(X) = 5/13 = 0.384615... A = Cos^*-1( 0.384615 .... A = 67.38013505... degrees.
What is the equation for cosine?
cos = adjacent / hypotenuse
How To Use SohCahToa?
Sin= Opposite/Hypotenuse Cos= Adjacent/Hypotenuse Tan= Opposite/Adjacent
How do you calculate a hypotenuse?
Depending on the information given;- If two other(shorter) sides are known, use Pythagoras. h^(2) = a^(2) + b^(2) If one angle and one side are given then you use Trigonometry . Sin(angle) = opposite/ hypotenuse hypotenuse = opposite/Sin(angle) or Cos(angle) = adjacent/hypotenuse hypotenuse = adjacent/ Cos(Angle).
How do you find the cos of a triangle?
Adjacent side / Hypotenuse
What is the hypotenuse of the right triangle if the angle measures are 90 degrees 70 degrees and 20 degrees and one leg length is 850?
It depends on which leg is 850... If the leg on the bottom is 850, then you do 850/cos(20) (which gives you 904.55), if it is the leg on the side, then you do 850/sin(20) (which gives you 2485.233). You get this by solving for the formula Cos(Angle)=Adjacent/Hypotenuse, or Sin(Angle) = Opposite/Hypotenuse.
What is the hypotenuse of a right triangle with the adjacent side measuring 4.0 and a degree of 58?
Cos(58) = 4/Hypotenuse so H = 4/Cos(58) = 7.55 units.
Can cosine be greater than one?
No. It has to lie in between -1 an +1 inclusive. Cos x = adjecent/hypotenuse and for cos x to be greater than 1, you need the adjacent to be bigger than the hypotenuse. The hypotenuse is always the biggest side.
What Is the value of cos?
Cos is the ratio between adjacent side (of the given angle thieta) to the hypotenuse of the triangle.
What is the trigonometric ratio for Cos?
the adjacent side over the hypotenuse
How long must a ladder be to reach the top of a 20 ft wall if the ladder and the wall form a 32 degree angle?
A ladder leaning against a 20ft wall, with an angle of 32 degrees with respect to the wall, must be 24ft long. cos(theta) = adjacent over hypotenuse cos(32) = 20 / hypotenuse hypotenuse = 20 / cos(32) hypotenuse = 23.58
