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