Solution
prove
Solution
Solution steps
Show that the two sides are not equal
For plug in
Simplify
Use the following trivial identity:
periodicity table with cycle:
Simplify
Use the following trivial identity:
periodicity table with cycle:
Simplify
The two sides are not equal
Popular Examples
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Frequently Asked Questions (FAQ)
Is sqrt(1+sin(4a)+sin(2a))=-2cos(a) ?
The answer to whether sqrt(1+sin(4a)+sin(2a))=-2cos(a) is False