Solution
Solution
Solution steps
Manipulating left side
Express with sin, cos
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
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Frequently Asked Questions (FAQ)
Is (cot^2(x)-1)/(cot^2(x)+1)=cos(2x) ?
The answer to whether (cot^2(x)-1)/(cot^2(x)+1)=cos(2x) is True