Evaluate sin(pi)+cos(pi)+tan((3pi)/4)

Evaluate sin(pi)+cos(pi)+tan((3pi)/4)
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 reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.
The exact value of is .
Multiply by .
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because tangent is negative in the second quadrant.
The exact value of is .
Multiply by .
Simplify by subtracting numbers.
Subtract from .
Subtract from .
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Name

Name one billion four hundred ninety-one million five hundred fifty-five thousand eleven

Interesting facts

• 1491555011 has 8 divisors, whose sum is 1527392064
• The reverse of 1491555011 is 1105551941
• Previous prime number is 373

Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 32
• Digital Root 5

Name

Name one billion four hundred sixteen million three hundred sixty-eight thousand three hundred ninety-seven

Interesting facts

• 1416368397 has 8 divisors, whose sum is 1891188000
• The reverse of 1416368397 is 7938636141
• Previous prime number is 701

Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 48
• Digital Root 3

Name

Name one billion eight hundred forty-five million five hundred seventy-one thousand one hundred nineteen

Interesting facts

• 1845571119 has 16 divisors, whose sum is 2977728768
• The reverse of 1845571119 is 9111755481
• Previous prime number is 17

Basic properties

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