Whats the answers i dont understand

Mathematics

1 answer:

lara31 [8.8K]3 years ago

6 0

The best way to find x is knowing the different angles and their properties and theorems.

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it's a week before the maths festival a maths exhibition costa £75.40 and so far 12 have been bought. what's the total income so

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weqwewe [10]

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Read 2 more answers

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ycow [4]

Step-by-step explanation:

$sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ LHS \\= sin x \: cos x \: tanx \\ =sin x \: cos x \: \times \frac{sin x}{cos x} \\ = sin x \: \times \frac{sin x}{1} \\ ={sin}^{2} x \\ = 1 - {cos}^{2} x \\ = RHS \\ \therefore \: sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ Hence \: Proved.$

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3 years ago