Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Use the basic trigonometric identity:
Use the Angle Sum identity:
Use the Angle Sum identity:
Simplify
Simplify
Use the following trivial identity:
periodicity table with cycle:
Refine
Simplify
Use the following trivial identity:
periodicity table with cycle:
Apply rule
Simplify
Use the following trivial identity:
periodicity table with cycle:
Refine
Simplify
Use the following trivial identity:
periodicity table with cycle:
Apply rule
Apply the fraction rule:
Use the basic trigonometric identity:
We showed that the two sides could take the same form
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Frequently Asked Questions (FAQ)
Is cot(x+pi)=cot(x) ?
The answer to whether cot(x+pi)=cot(x) is True