Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Manipulating right side
Express with sin, cos
We showed that the two sides could take the same form

Popular Examples

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Frequently Asked Questions (FAQ)

  • Is cos(x-pi/2)=cos(x)tan(x) ?

    The answer to whether cos(x-pi/2)=cos(x)tan(x) is True