3 years ago

Log2cos(x) How do I find the derivative of the following question

Mathematics

1 answer:

I am Lyosha [343]3 years ago

5 0

You can put it in a TI84 calculator and find the answer.

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Please answer and explain thankss

hram777 [196]

Answer:

B, you just multiply the exponents, also 3^2=9

Step-by-step explanation:

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2 years ago

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Minchanka [31]

Are you supposed to solve for the equations?

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2 years ago

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Archy [21]

I believe the correct situation is C

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3 years ago

Find the value of x

kodGreya [7K]

Answer:

Last Option

Step-by-step explanation:

We have a triangle and we know its three sides.

We want to find one of your anguos. Then we use the cosine theorem.

$c ^ 2 = a ^ 2 + b ^ 2 -2abcosx$

Where

$c = 14\\a = 11\\b = 19$

Now we solve for x from the equation

$c ^ 2 = a ^ 2 + b ^ 2 -2abcosx\\\\\\14^2 = 11^2 + 19^2 -2(11)(19)cosx\\\\14^2 -11^2 -19^2 = 2(11)(19)cosx\\\\-286=2(11)(19)cosx\\\\cosx = \frac{-286}{2(11)(19)}\\\\x = arcos(\frac{-286}{2(11)(19)})\\\\x = 46.8\°$

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3 years ago

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9x^2 - 8x - 1 = 0<br> What are the x intercepts?

sasho [114]

9x^2 - 8x - 1 = 0

(9x + 1(x - 1) = 0

x = -1/9 , 1

x intercepts are -1/9 and 1.

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2 years ago