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Sin tita=1/√3 then cos2tita is equal to how much can I get the answer please?

Harshitha , 6 Years ago
Grade 8
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
cos 2 theta = 1 – 2 sin^2 theta
 
= 1 – 2 (1/3)
 
= 1 – 2/3
 
= 1/3
 
hope it helps
 
Regards
Arun (askIITians forum expert)

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