Simplify sin(150)^2+cos(30)^2

Simplify sin(150)^2+cos(30)^2
Simplify each term.
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Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
The exact value of is .
Apply the product rule to .
One to any power is one.
Raise to the power of .
The exact value of is .
Apply the product rule to .
Rewrite as .
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Rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Evaluate the exponent.
Raise to the power of .
Combine the numerators over the common denominator.
Add and .
Divide by .
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Name

Name one hundred ninety-eight million three hundred two thousand six hundred thirty-one

Interesting facts

  • 198302631 has 4 divisors, whose sum is 264403512
  • The reverse of 198302631 is 136203891
  • Previous prime number is 3

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 33
  • Digital Root 6

Name

Name three hundred fourteen million eight hundred seventy-six thousand two hundred ninety-six

Interesting facts

  • 314876296 has 64 divisors, whose sum is 1215611712
  • The reverse of 314876296 is 692678413
  • Previous prime number is 3373

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 46
  • Digital Root 1

Name

Name one billion three hundred ninety-nine million seven hundred seventy-six thousand six hundred sixty-six

Interesting facts

  • 1399776666 has 32 divisors, whose sum is 2894309376
  • The reverse of 1399776666 is 6666779931
  • Previous prime number is 691

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 60
  • Digital Root 6