3 years ago

Think: 43 tens x 3 tens =

Mathematics

1 answer:

Vlad1618 [11]3 years ago

5 0

43 tens x 3 tens is 129 hundreds

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Liula [17]

Answer: x = 3

Step-by-step explanation:

-5 -x = -8

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-x = -3

x = 3

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2 years ago

Simplify the expression by using a double-angle formula or a half-angle formula. (a) 2 tan(5°) 1 − tan2(5°)

antoniya [11.8K]

The question is related to trigonometry and we have to use the formula of double angle .

Here we use double angle formula of tangent function which is

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Given expression is

$\frac{2tan (5 \degree)}{1-tan^2(5 \degree)}$

Comparing it with double angle formula, we will get x = 5

SO the required expression is equal to

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So the answer is tan(10) .

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Answer:

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Step-by-step explanation:

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