Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Double Angle identity:
Use the Double Angle identity:
Simplify
We showed that the two sides could take the same form

Popular Examples

prove (cot(-θ))/(csc(θ))=-cos(θ)prove sec(α)-cos(α)=sin(α)tan(α)prove tan^2(θ)+6=sec^2(θ)+5prove sec(pi/2-x)=csc(x)prove 1/(csc(x)-1)+1/(csc(x)+1)=2tan(x)sec(x)

Frequently Asked Questions (FAQ)

  • Is sin(4x)=4sin(x)cos(x)cos(2x) ?

    The answer to whether sin(4x)=4sin(x)cos(x)cos(2x) is True