3 years ago

TanA+tan(60+A)+tan(120-A)=3tan3A

Mathematics

1 answer:

Volgvan3 years ago

3 0

Answer: not and identity

Step-by-step explanation:

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4 years ago

Divide 1 hour in the ratio 1 : 9 : 10

olganol [36]

Answer:

3 minutes; 27 minutes; 30 minutes

Step-by-step explanation:

Let the common multiplier of the given ratios be x. So, the ratios 1: 9 : 10 will become x, 9x and 10x respectively.

Therefore,

$x + 9x + 10x = 1 \: hour \\ \\ 20x = 60 \: minutes \\ \\ x = \frac{60 \: minutes}{3} \\ \\ x = 3 \: minutes \\ \\ 9x = 9 \times 3 = 27 \: minutes \\ \\ 10x = 10 \times 3 = 30 \: minutes$

Thus, 1 hour in the ratio 1 : 9 : 10 can be divided as:

3 minutes; 27 minutes; 30 minutes

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3 years ago

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Step-by-step explanation:

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2 years ago

TanA+tan(60+A)+tan(120-A)=3tan3A​

TanA+tan(60+A)+tan(120-A)=3tan3A