Trigonometry

The angular velocity of a pulley turning 1800 rpm is 60 pi radians per second.

It's roughly one half of the acceleration of gravity on earth.

It is 0.

You can either go to a tanning bed, get a spray tan, or lay out in sun and tan. All except for spray tans can lead to severely increased chances of skin cancer, however.

trigonometric tables can be be used for this purpose. but to calculate the values without any external help, one can use the traditional method of derivation using different geometrical figures. for example the value of sine 600 can be calculated using an equilateral triangle. the ratio of altitude to half the length of side is (sq.root of 3)/2. but that is also sine600. but that is a tedious method of calculation. it is much easier to remember the rational or irrational values of standard angles like 300 450 600 750 900. the values of few other angles can be calculated from these using trigonometric identities and other formulae.

sin(26 deg) = 0.4384, approx.

Engineers use trigonometry anywhere that involves non-right angles. That includes building cars and buildings, bridges, and many other structures. they also use trigonometry when dealing with fields, like magnetic and electric fields. Also, trigonometry is very important with engineers who deal with waves, such as sound or light engineers.

They could help construct buildings is the only one i could think of

They are the coordinates.

Suppose you are given the three sides of a triangle and the altitude from the apex to the base. The altitude divides the triangle into two right-angled triangles and the arcsine function can be used to determine the two base angles. Subtracting their sum from 180 gives the third angle.

There are 20 unique 5-card hands.

Solution:

First break apart the player card combinations.

You can either use player card 1, player card 2, or both player cards 1 and 2 with the hand. Therefore, you are taking 5 cards, 3 at a time, when playing with both player cards, and 5 cards, 4 at a time, when playing with 1 player card.

Mathematically, this can be expressed using the Binomial coefficient

2 x ( 5 choose 4 ) + ( 5 choose 3 ) = Number of possible 5-card hands.

5 choose 4 = 5 : This represents the combinations between 1 player card and 5 table cards, 4 at a time. (http://www.wolframalpha.com/input/?i=5+choose+4)

5 choose 3 = 10 : This represents the combinations between 2 player cards, and 5 table cards, 3 at a time. (http://www.wolframalpha.com/input/?i=5+choose+3)

Thus, 2 x ( 5 ) + ( 10 ) = 20 .

Further Information:

All possible hand combinations are listed below.

A and B are the two player cards.

0 through 5 are the five table cards.

-----

A 1 2 3 4

A 2 3 4 5

A 3 4 5 1

A 4 5 1 2

A 5 1 2 3

B 1 2 3 4

B 2 3 4 5

B 3 4 5 1

B 4 5 1 2

B 5 1 2 3

A B 2 3 4

A B 3 4 5

A B 1 2 3

A B 4 5 1

A B 5 1 2

A B 4 5 2

A B 4 1 2

A B 5 1 3

A B 5 2 3

A B 1 3 5

It is trig.

This is referring the trigonometry, and is a shorthand to jot on the corner of the page if you are a beginner, s, just means sin; c means cos, and t tan, a means opposite and a alternate.

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Trigonometry has been developed over centuries, and was not discovered per-se by any one person. One might say that Pythagoras is the father of trigonometry because the Pythagorean theorem is so central to trigonometric theory, but many cultures were aware of the Pythagorean theorem before Pythagoras was even born.

when a body is thrown at an angle in a projectile motion, the vertical component of the velocity is vcos(B) ..where v is the velocity at which the body is thrown and B represents the angle at which it is thrown.Similarly horizontal component is vsin(B). these components are useful in determining the range of the projectile ,the maximum height reached,time of ascent,time of descent etc.,

If the base of the elevation is at a distance d from the observer, then the highest point is at a height = d*tan(angle of elevation)

Heptagon - a polygon having seven sides

by working more examples on what you are taught.one can also learn by going to extra classes and using what we learn every day in everything we do.

diameter is 3 ft diameter = 2*radius diameter/2 = radius 3/2 = 1.5 ft = radius area is pi * radius2 3.14 * (1.5)2 3.14 * 2.25 = 7.065 sq ft

2 square root of 5

Budhayana

The answer is 60 and 240 degrees.

Add radical 3 and inverse tan to get answer add 180 for other answer less than 360.