Solution

prove

Solution

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

Popular Examples

prove sin(x)=cos(pi/2-x)prove (sin(x))/(cot(x))=sec(x)-cos(x)prove sec(2x)= 1/(1-2sin^2(x))prove cos(3θ)+cos(θ)=4cos^3(θ)-2cos(θ)prove cos(a+b)=cos(a)cos(b)-sin(a)sin(b)

Frequently Asked Questions (FAQ)

  • Is sin(10θ)=2sin(5θ)cos(5θ) ?

    The answer to whether sin(10θ)=2sin(5θ)cos(5θ) is True