Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Expand
Apply the distributive law:
Multiply the numbers:
Simplify
Group like terms
Add/Subtract the numbers:
We showed that the two sides could take the same form
Popular Examples
prove sin(x)tan(x)+cos(-x)=sec(x)prove (1-cos(B))(1+cos(B))= 1/(csc^2(B))prove cot(θ)-tan(θ)=2cot(2θ)prove sin^2(u)=(1-cos(2u))/2prove cot(2x)=(sec(x)+csc(x))/(2sin(x)-2cos(x))
Frequently Asked Questions (FAQ)
Is 6cos^2(x)-3=3-6sin^2(x) ?
The answer to whether 6cos^2(x)-3=3-6sin^2(x) is True