Question

[tex]farmula of cos 2 thita?? ​

Answer 1

it is the formula for cos 2 theta..

hope it will help you..

Answer 2

Q]farmula of cos 2 thita??

ANS ]

↪1)COS 2 thita = Cos ^2 thita - sin ^2 thita

2)Cos2 thita = 2 cos ^ 2thita -1

3)Cos 2 thita = 1 - 2 Sin^2 thita

4 )Cos 2 thita =[ 1 - tan ^2 thita ]/[1 + tan ^ 2 thita ]

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