3 years ago

Find an identity for cos(4t) in terms of cos(t)

Mathematics

2 answers:

Ilya [14]3 years ago

4 0

Hello here is a solution :

aleksley [76]3 years ago

3 0

$\cos4t=\cos2(2t)=2\cos^22t-1$

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CAN Someone help me out with Experimental probability.Ill give brainless

pentagon [3]

Answer:

1/4

Step-by-step explanation:

It is split into 8 equal parts, if you want to see how likely you're going to get red, look at how many red parts there are. 2. Now make it into a fraction! 2/8, but we need it to be simplified so it is 1/4.

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4 0

4 years ago

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Makovka662 [10]

Look at the ss down below

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Using pemdas please

Bond [772]

$4^{3}+2(8)=80$

Solution:

Given expression:

$4^{3}+2(8)$

<u>Expansion of PEDMAS: </u>

Parenthesis, Exponents, Division, Multiplication, Addition, Subtraction.

To solve the given expression using pedmas rule.

First solve the expression with parenthesis.

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Next do the exponents.

$4^{3}+2(8)=64+16$

Finally do the addition.

$4^{3}+2(8)=80$

Hence the answer is 80.

6 0

3 years ago

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3. A boat is travelling from Point C toward Point D, which is on the shoreline.

Firlakuza [10]

Answer:

Yes, lines CD & AB are perpendicular

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galben [10]

The third bubble is correct

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3 years ago