Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Express with sin, cos
Use the basic trigonometric identity:
Multiply fractions:
Cancel the common factor:
Use the Pythagorean identity:
We showed that the two sides could take the same form
Popular Examples
prove (csc(x)+1)/(cot(x)+cos(x))=sec(x)prove csc^2(θ/2)= 2/(1-cos(θ))prove sec(x)cos(x)+tan^2(x)=sec^2(x)prove cot^2(θ)+1= 1/(sin^2(θ))prove 3cos(2x+pi/2)-2=6cos^2(x+pi/4)
Frequently Asked Questions (FAQ)
Is csc^2(x)-cos(x)sec(x)=cot^2(x) ?
The answer to whether csc^2(x)-cos(x)sec(x)=cot^2(x) is True