Find the Cosine Given the Point ((2 square root of 5)/5,-( square root of 5)/5)

Find the Cosine Given the Point ((2 square root of 5)/5,-( square root of 5)/5)
To find the between the x-axis and the line between the points and , draw the triangle between the three points , , and .
Opposite :
Find the hypotenuse using Pythagorean theorem .
Use the power rule to distribute the exponent.
Apply the product rule to .
Apply the product rule to .
Simplify the numerator.
Raise to the power of .
Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
Reduce the expression by cancelling the common factors.
Raise to the power of .
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Use the power rule to distribute the exponent.
Apply the product rule to .
Apply the product rule to .
Simplify the expression.
Raise to the power of .
Multiply by .
Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
Raise to the power of .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Combine the numerators over the common denominator.
Divide by .
Any root of is .
therefore .
Divide by .
Approximate the result.
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Name

Name two hundred eighty-six million one hundred fifty-nine thousand eight hundred ten

Interesting facts

• 286159810 has 16 divisors, whose sum is 545387256
• The reverse of 286159810 is 018951682
• Previous prime number is 17

Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 40
• Digital Root 4

Name

Name five hundred seventy-six million eight hundred fifty-three thousand nine hundred seventeen

Interesting facts

• 576853917 has 4 divisors, whose sum is 769138560
• The reverse of 576853917 is 719358675
• Previous prime number is 3

Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 51
• Digital Root 6

Name

Name five hundred ninety-three million eight hundred seventy-three thousand four hundred fifty

Interesting facts

• 593873450 has 32 divisors, whose sum is 1284346368
• The reverse of 593873450 is 054378395
• Previous prime number is 863

Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 44
• Digital Root 8