http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htm i didnt get the 4 th line , could you please epxlain it to me? thank you.

Question

Arun · Answer

I have only written Cos²x = 1 - sin²x And Cos²x -1 = - sin²x Hope it helps Sorry for some lines in whih I forgot to add square sign

Thank you for registering.

Register Now and Win Upto 25% Scholorship for a Full Academic Year !

Enter Your Details

Registration done!

http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htm i didnt get the 4 th line , could you please epxlain it to me? thank you.

http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htm
i didnt get the 4^th line , could you please epxlain it to me? thank you.

1 Answers

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Integral Calculus

ASK QUESTION

Answer and earn gift vouchers

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Complete Self Study Package designed by Industry Leading Experts

Live 1-1 coding classes to unleash the Creator in your Child

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Register Now & Win Upto 25% Scholorship

Thank you for registering.

Register Now and Win Upto 25% Scholorship for a Full Academic Year !

Enter Your Details

Registration done!

http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htm i didnt get the 4 th line , could you please epxlain it to me? thank you.

http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htmi didnt get the 4th line , could you please epxlain it to me? thank you.

1 Answers

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Integral Calculus

ASK QUESTION

Answer and earn gift vouchers

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Complete Self Study Package designed by Industry Leading Experts

Live 1-1 coding classes to unleash the Creator in your Child

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Register Now & Win Upto 25% Scholorship

http://www.askiitians.com/forums/Integral-Calculus/1-cos3x-cosx-dx-please-say-how-to-simply_188653.htm
i didnt get the 4^th line , could you please epxlain it to me? thank you.