Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Rewrite as
Use the Angle Sum identity:
Simplify
Add similar elements:
We showed that the two sides could take the same form
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Frequently Asked Questions (FAQ)
Is sin(2z)=2sin(z)cos(z) ?
The answer to whether sin(2z)=2sin(z)cos(z) is True