Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form

Popular Examples

prove sin^2(x)=sec(x)cos(x)-cos^2(x)prove prove 1-2sin^2(2θ)=8cos^4(θ)-8cos^2(θ)+1prove prove sech^2(x)+tanh^2(x)=1prove prove sec(x)cos(x)-2cos^2(x)=-(cos(2x))prove prove 2cos^2(A)-cos(2A)-1=0prove

Frequently Asked Questions (FAQ)

  • Is sin(20)=2cos(10)*sin(10) ?

    The answer to whether sin(20)=2cos(10)*sin(10) is True