Calculate the cosine of the smallest internal angle in a right-angled triangle with cathetus 3 and 8 and with the hypotenuse 8.544.
Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this verbal math problem are needed these knowledge from mathematics:
Next similar examples:
The point (8, 6) is on the terminal side of angle θ. cos θ = ?
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?
The largest angle at which the lift rises is 16°31'. Give climb angle in permille.
- Reference angle
Find the reference angle of each angle:
It is true that the lines that do not intersect are parallel?
There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
- Theorem prove
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?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
- Three unknowns
Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
- AP - simple
Determine the first nine elements of sequence if a10 = -1 and d = 4
- Today in school
There are 9 girls and 11 boys in the class today. What is the probability that Suzan will go to the board today?
The class is 21 students. How many ways can choose two to examination?
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
- Three workshops
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?
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?