Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Manipulating right side
Expand
We showed that the two sides could take the same form
Popular Examples
prove (tan(θ))/(1+sec(θ))=-cot(θ)+csc(θ)prove cos(θ)=sec(θ)-(sin(θ))(tan(θ))prove cos(2x-90)=2sin(x)cos(x)prove sin^4(x)-2sin^2(x)=cos^4(x)-1prove cot^4(a)=(cos^4(a))/(sin^4(a))
Frequently Asked Questions (FAQ)
Is cos(3θ)=cos(θ)(cos^2(θ)-3sin^2(θ)) ?
The answer to whether cos(3θ)=cos(θ)(cos^2(θ)-3sin^2(θ)) is True