Question: Apply appropriate identities to write as a single trig ratio 1 2 sin 22 a b c cosx cos4x sinx sin4x 2 tan 40 1

 Apply appropriate identities to write as a single trig ratio 1

2 sin 22 a b c cosx cos4x sinx sin4x 2 tan

Apply appropriate identities to write as a single trig ratio 1 2 sin 22 a b c cosx cos4x sinx sin4x 2 tan 40 1 tan 40

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