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JezabelleDisreali

  • 2 years ago

write f(x)=sin x+cos x in terms of sin only

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  1. genius12
    • 2 years ago
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    \[\bf \cos(2x)=1-2\sin^2(x) \implies \cos(x)=1-2\sin^2\left( \frac{x}{2} \right)\]

  2. genius12
    • 2 years ago
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    @jezabelledisreali

  3. JezabelleDisreali
    • 2 years ago
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    Thanks :)

  4. Koikkara
    • 2 years ago
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    hey, plz close it...thnk u

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