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3 years ago

13

If you had to pick a number 1-4 what would be the luckiest?

1 answer:

earnstyle [38]3 years ago

3 0

I always feel drawn to the number 2 for some reason because it is in the middle between 2 and four and usually when given an option to pick a number I never pick a number that they say. Personally I just feel drawn to pick the number 2 its a nice even number and perhaps could be lucky :)

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Find the exact value by using a half angle identity.tan 75°

kramer

The trigonometric function is given as

$\tan 75^{\circ}$

Apply the half angle identity to find the value of tan 75 ,

$\tan (\frac{u}{2})=\frac{\sin u}{1+\cos u}$

Here,

$\tan (\frac{150^{\circ}}{2})=\frac{\sin150^{\circ}}{1+cos150^{\circ}}$ $\tan (75^{\circ})=\frac{\frac{1}{2}}{1-\frac{\sqrt[]{3}}{2}}=\frac{\frac{1}{2}}{\frac{2-\sqrt[]{3}}{2}}^{}$ $\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}$

Now rationalize the function.

$\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}\times\frac{2+\sqrt[]{3}}{2+\sqrt[]{3}}=\frac{2+\sqrt[]{3}}{4-3}=\frac{2+\sqrt[]{3}}{1}$

Again simplify the trigonometric function,

$\tan 75^{\circ}=2+1.732=3.732$

Hence the answer is 3.732.

5 0

1 year ago

How to solve g(n)=4n-5;Find g(6)

sergey [27]

19 i think though im pretty sure it is

5 0

4 years ago

I need help with this question please?! I'm having a hard time answering it!

Darina [25.2K]

Answer:

£0.40

Step-by-step explanation:

Divide £40 by £3.30 to find the number she can buy

£40 ÷ £3.30 = 12.1212..

That is she can buy 12 light bulbs

cost = 12 × £3.30 = £39.60

change = £40 - £39.60 = £0.40

4 0

3 years ago

Select all the expressions equivalent to (4x⁵)(5x⁶).

Liula [17]

Step-by-step explanation:

$= 4 {x}^{5} \times 5 {x}^{6}$

$= (4 \times 5) {x}^{5 + 6}$

$= 20 {x}^{11}$

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3 years ago

Skeleton practices playing spooky music on his piano he practice 60 minutes every single day how many hours does skeleton play i

k0ka [10]

He plays for 14 hours

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3 years ago