Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Double Angle identity:
Use the Double Angle identity:
Simplify
We showed that the two sides could take the same form

Popular Examples

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Frequently Asked Questions (FAQ)

  • Is sin(4θ)=4sin(θ)cos(θ)cos(2θ) ?

    The answer to whether sin(4θ)=4sin(θ)cos(θ)cos(2θ) is True