Cosine

Calculate the cosine of the smallest internal angle in a right-angled triangle with cathetus 3 and 8 and with the hypotenuse 8.544.

Result

cos θ =  0.94

Solution:

Solution in text cos θ =







Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




See also our right triangle calculator. See also our trigonometric triangle calculator.

Next similar examples:

  1. Cosine
    cosine The point (8, 6) is on the terminal side of angle θ. cos θ = ?
  2. Flowerbed
    triangle_flowers.JPG Flowerbed has the shape of an isosceles obtuse triangle. Arm has a size 5.5 meters and an angle opposite to the base size is 94°. What is the distance from the base to opposite vertex?
  3. Lift
    lanovka_2 The largest angle at which the lift rises is 16°31'. Give climb angle in permille.
  4. Reference angle
    anglemeter Find the reference angle of each angle:
  5. Line
    skew_lines It is true that the lines that do not intersect are parallel?
  6. Blocks
    cubes3_1 There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
  7. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  8. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  9. Chords
    chords How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
  10. Three unknowns
    matrix_1 Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
  11. AP - simple
    sigma_1 Determine the first nine elements of sequence if a10 = -1 and d = 4
  12. Today in school
    skola There are 9 girls and 11 boys in the class today. What is the probability that Suzan will go to the board today?
  13. Examination
    examination The class is 21 students. How many ways can choose two to examination?
  14. Sequence
    a_sequence Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
  15. Sequence
    seq_1 Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
  16. Three workshops
    workers_24 There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop?
  17. Legs
    rak Cancer has 5 pairs of legs. The insect has 6 legs. 60 animals have a total of 500 legs. How much more are cancers than insects?