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3 years ago

I will give brainlest thanks

Mathematics

2 answers:

Dmitrij [34]3 years ago

7 0

The answer is choice A- 68

zaharov [31]3 years ago

6 0

Answer:

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you ...

... Tan = Opposite/Adjacent

For this geometry, this means ...

... tan(x°) = 5/2

Taking the inverse tangent, we can find x.

... x° = arctan(5/2) ≈ 68.199°

... x ≈ 68

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3 years ago

What is 1/4 of 2000 1/5 of 1600 2/3 of 1965

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3 years ago

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Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)

storchak [24]

Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

$\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}$

You should also know this:

$sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)$

So plugging in both of those into our identity, we get:

$\frac{cos(t)}{sin(t)}\cdot sin^2(t) = cos(t)\cdot sin(t)$

Simplify the denominator on the LHS (Left Hand Side)

We get:

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LHS = RHS

Therefore, identity is verified.

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3 years ago

A box of cereal states that there are calories in a

melisa1 [442]

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3 years ago

Which fraction is equivalent to -3/2? 3/-2 -(3/-2) -3/-2 -(-3/2)

Irina18 [472]

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