Solution
prove
Solution
Solution steps
Manipulating left side
Express with sin, cos
Use the basic trigonometric identity:
Rewrite using trig identities
Use the basic trigonometric identity:
Use the basic trigonometric identity:
Simplify
Divide fractions:
Refine
We showed that the two sides could take the same form
Popular Examples
prove 1/(1+sin(x))+1/(1-sin(x))=2+2tan^2(x)prove sec(2x)=(sec^2(x))/(1-tan^2(x))prove (sin(3x)-sin(5x))/(2cos(4x))=-sin(x)prove tan(a)+cot(a)=2csc(2a)prove (sec(t)-1)/(tan(t))=(tan(t))/(sec(t)+1)
Frequently Asked Questions (FAQ)
Is cot(x)=(csc(x))/(sec(x)) ?
The answer to whether cot(x)=(csc(x))/(sec(x)) is True