# Verify the Identity (cot(x)^2)/(csc(x))=(1-sin(x)^2)/(sin(x))

Verify the Identity (cot(x)^2)/(csc(x))=(1-sin(x)^2)/(sin(x))
Start on the right side.
Apply pythagorean identity.
Now consider the left side of the equation.
Convert to sines and cosines.
Write in sines and cosines using the quotient identity.
Apply the reciprocal identity to .
Apply the product rule to .
Simplify.
Multiply the numerator by the reciprocal of the denominator.
Cancel the common factor of .
Because the two sides have been shown to be equivalent, the equation is an identity.
is an identity
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### Name

Name one billion two hundred seventy-seven million three hundred thousand one hundred thirty

### Interesting facts

• 1277300130 has 32 divisors, whose sum is 3164410368
• The reverse of 1277300130 is 0310037721
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 24
• Digital Root 6

### Name

Name nine hundred seventy-four million seven hundred twenty-two thousand three hundred nine

### Interesting facts

• 974722309 has 16 divisors, whose sum is 1073248704
• The reverse of 974722309 is 903227479
• Previous prime number is 353

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 43
• Digital Root 7

### Name

Name three hundred five million six hundred fifty-five thousand seven hundred seventy-one

### Interesting facts

• 305655771 has 4 divisors, whose sum is 407541032
• The reverse of 305655771 is 177556503
• Previous prime number is 3

### Basic properties

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