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

Simplify sin(150)^2+cos(30)^2
Simplify each term.
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 .
Rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Evaluate the exponent.
Raise to the power of .
Combine the numerators over the common denominator.
Divide by .
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### Name

Name six hundred eighty-seven million fifty-seven thousand eight hundred nine

### Interesting facts

• 687057809 has 4 divisors, whose sum is 688377060
• The reverse of 687057809 is 908750786
• Previous prime number is 521

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 50
• Digital Root 5

### Name

Name one billion four hundred sixty-five million six hundred twenty-four thousand eight hundred forty-two

### Interesting facts

• 1465624842 has 64 divisors, whose sum is 3693662208
• The reverse of 1465624842 is 2484265641
• Previous prime number is 11

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 42
• Digital Root 6

### Name

Name five hundred sixty-one million five hundred sixty-three thousand nine hundred thirteen

### Interesting facts

• 561563913 has 4 divisors, whose sum is 748751888
• The reverse of 561563913 is 319365165
• Previous prime number is 3

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 39
• Digital Root 3