Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove tan^4(θ)-sec^4(θ)=1-2sec^2(θ)prove ((-sin^2(a)+1))/(cos(a))=cos(a)prove 2csc(2x)tan(x)=sec^2(x)prove sec(x)-tan(x)=cos(x)prove tan(2x)-tan(x)=(tan(x))/(cos(2x))
Frequently Asked Questions (FAQ)
Is (1-cos(2x))/2 =1-cos^2(x) ?
The answer to whether (1-cos(2x))/2 =1-cos^2(x) is True