Q:
# What Is Pascal's Triangle Used for Today?

**Pascal's Triangle, named after French mathematician Blaise Pascal, is used in various algebraic processes, such as finding tetrahedral and triangular numbers, powers of two, exponents of 11, squares, Fibonacci sequences, combinations and polynomials.** The triangle was actually invented by the Indians and Chinese 350 years before Pascal's time.

The numbers in Pascal's Triangle are the binomial coefficients of the polynomial "x + 1". The triangle is used in probability to find combinations of numbers. It contains the triangular numbers in the third diagonal and the tetrahedral numbers in the fourth. The Fibonacci numbers can be found by adding together the numbers in each diagonal row. If each row is summed, the powers of two are found, and the powers of 11 are found by reading across each row. The square of a number can be found in the triangle by adding the two numbers next to and below it.

Learn more about Trigonometry-
Q:
## How Do You Solve a Power Reduction Formula?

A: To solve a power-reduction formula, express it in a simplified way without exponents. For example, solve "sine to the 4th power times x" by squaring "sine ... Full Answer >Filed Under: -
Q:
## Can a Triangle Have Two Perpendicular Sides?

A: A triangle can have two perpendicular sides. If two sides are perpendicular, the angle they form is a right angle. A triangle can have only one right angle... Full Answer >Filed Under: -
Q:
## How Do You Find the Cosine of Pi?

A: The trigonometric functions sine, cosine and tangent calculate the ratio of two sides in a right triangle when given an angle in that triangle. To find the... Full Answer >Filed Under: -
Q:
## What Is the Law of Sines and Cosines?

A: The law of sines and law of cosines are two different equations relating the measure of the angles of a triangle to the length of the sides. The laws apply... Full Answer >Filed Under: