Cos^2x=(1-sinX)(1+sinX)

0

1

5097

1

Cos^2x=(1-sinX)(1+sinX)

Guest Aug 20, 2015

0 users composing answers..

Best Answer

+14921

+5

Hallo anonymous!

That is the trigonometric Pythagoras

sin²x + cos²x = 1

cos²x = 1 - sin²x → 3. binomial theorem

cos²x = (1 - sinx) * (1 + sinx)

Greetings asinus :- )

asinus Aug 20, 2015

1⁺⁰ Answers

+14921

+5

Best Answer

Hallo anonymous!

That is the trigonometric Pythagoras

sin²x + cos²x = 1

cos²x = 1 - sin²x → 3. binomial theorem

cos²x = (1 - sinx) * (1 + sinx)

Greetings asinus :- )

asinus Aug 20, 2015

4 Online Users