# Verify the Identity (tan(x)^2+1)(cos(x)^2-1)=-tan(x)^2

Verify the Identity (tan(x)^2+1)(cos(x)^2-1)=-tan(x)^2
Start on the left side.
Apply Pythagorean identity.
Apply pythagorean identity.
Reorder and .
Rewrite as .
Factor out of .
Factor out of .
Rewrite as .
Apply pythagorean identity.
Convert to sines and cosines.
Apply the reciprocal identity to .
Apply the product rule to .
Simplify.
One to any power is one.
Combine and .
Rewrite as .
Because the two sides have been shown to be equivalent, the equation is an identity.
is an identity
Do you know how to Verify the Identity (tan(x)^2+1)(cos(x)^2-1)=-tan(x)^2? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

### Name

Name one billion one hundred fourteen million forty-seven thousand five hundred nineteen

### Interesting facts

• 1114047519 has 8 divisors, whose sum is 1209826080
• The reverse of 1114047519 is 9157404111
• Previous prime number is 17

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 33
• Digital Root 6

### Name

Name one billion one hundred seventy-seven million eight hundred fifteen thousand seven hundred eighty-nine

### Interesting facts

• 1177815789 has 16 divisors, whose sum is 1745568000
• The reverse of 1177815789 is 9875187711
• Previous prime number is 3343

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 54
• Digital Root 9

### Name

Name one hundred fifty-seven million forty-five thousand two hundred ninety-six

### Interesting facts

• 157045296 has 128 divisors, whose sum is 1072854720
• The reverse of 157045296 is 692540751
• Previous prime number is 83

### Basic properties

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