Math, asked by einstien7581, 1 year ago

Cos2a-cos2b-cos2c=-1+4cosasinbsinc

Answers

Answered by Jyotiranjanpanigrahi
16
If u r satisfied then tell.....or there is another method to solve it...
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Answered by prajvalpandit2003
5

Answer:

Step-by-step explanation:

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