Solution
prove
Solution
Solution steps
Manipulating left side
Express with sin, cos
Use the basic trigonometric identity:
Multiply fractions:
Cancel the common factor:
We showed that the two sides could take the same form
Popular Examples
prove csc(x)-sin(x)=cos(x)*cot(x)prove (sec^2(θ))/(tan(θ))=sec(θ)csc(θ)prove cos(x)+tan(x)sin(x)=sec(x)prove sin^4(y)-cos^4(y)=1-2cos^2(y)prove 1-sin^2(-θ)=cos^2(θ)
Frequently Asked Questions (FAQ)
Is sec(y)cos(y)=1 ?
The answer to whether sec(y)cos(y)=1 is True