Solution

prove

Solution

Solution steps
Manipulating left side
Use the negative angle identity:
Express with sin, cos
Use the basic trigonometric identity:
We showed that the two sides could take the same form

Popular Examples

prove ((sec(θ)-tan(θ))^2+1)/(csc(θ)(sec(θ)-tan(θ)))=2tan(θ)prove 2csc(2x)=sec(x)csc(x)prove tan(x/2)=(sin(x))/(cos(x)+1)prove (1-cos(θ))(1+sec(θ))=sin(θ)tan(θ)prove tan(2t)=2sin(t)cos(t)sec(2t)

Frequently Asked Questions (FAQ)

  • Is sec(-x)= 1/(cos(x)) ?

    The answer to whether sec(-x)= 1/(cos(x)) is True