Solution
prove
Solution
Solution steps
Manipulating left side
Express with sin, cos
Use the basic trigonometric identity:
Simplify
Multiply fractions:
Cancel the common factor:
Apply exponent rule:
Add the numbers:
Rewrite using trig identities
Use the Pythagorean identity:
We showed that the two sides could take the same form
Popular Examples
prove csc(pi/2-θ)=sec(θ)prove (sin(a+2a)+4sin^3(a))/3 =sin(a)prove cos(1*pi)=-1prove cos(θ)cot(θ)= 1/(sin(θ))-sin(θ)prove 1-cos(θ)sin(θ)tan(θ)=cos^2(θ)
Frequently Asked Questions (FAQ)
Is 1-sin(x)cos(x)cot(x)=sin^2(x) ?
The answer to whether 1-sin(x)cos(x)cot(x)=sin^2(x) is True