Solution

prove

Solution

Solution steps
Show that the two sides are not equal
For plug in
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Simplify
The two sides are not equal

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Frequently Asked Questions (FAQ)

  • Is 9cos(x)+6sin(x)=10 ?

    The answer to whether 9cos(x)+6sin(x)=10 is False