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Prove that Cos6x=2cos²3x-1

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Prove that Cos6x=2cos²3x-1

Posted by Satyam Gupta 5 years, 8 months ago

CBSE > Class 11 > Mathematics

6 answers

Satyam Gupta 5 years, 8 months ago

Cos6x=cos2(3x) (Cos2x=2cos²x-1) Similarly cos2(3x)=2cos²3x-1 hence prove

Harry Potter 5 years, 8 months ago

abee oyee adarsh gali hame bhi aati h lekin itne mental nahi ki kahin pr bhi bak de

Harry Potter 5 years, 8 months ago

Bhai iss Adarsh mein to bilkul bhi ADARSH nahi h iss khate h irony in english

Satyam Gupta 5 years, 8 months ago

Adarsh jwale apni gand m aag lagale

Adarsh Jawale 5 years, 8 months ago

Kutte kamine kyu ghussa dila Diya. Trigonometry dekhate hi mujhe bhayankar gussa Aata Hai. Man toh kar Raha Hai Tera murdur kardu. Bhosdi Ka saala

Adarsh Jawale 5 years, 8 months ago

Yaha trigonometry nahi aati aur gaandu sawaal puch raaha Hai Saala

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