Question: When is small, show that: a sin 30 3 0 sin40 40 - b cose - 1 tan 20 0 4 tan40 + 0

When θ is small, show that:a sin 30 3 0 sin40 40 - b cose - 1

a sin 30 3 0 sin40 40 - b cose - 1 tan 20 0 4 tan40 + 0 30 - sin20 = 4 + 0

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