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Verizon [17]
3 years ago
11

Write the expression as the sine, cosine, or tangent of an angle.

Mathematics
2 answers:
agasfer [191]3 years ago
6 0
<h2>Answer:</h2>

The expression in terms of the sine expression is given by:

            \sin 48\cos 15-\cos 48\sin 15=\sin 33\degree

<h2>Step-by-step explanation:</h2>

The expression is given as:

\sin 48\cos 15-\cos 48\sin 15

Now we know that the formula is as follows:

\sin \alpha \cos \beta-\cos \alpha \sin \beta=\sin (\alpha-\beta)

Here on comparing the given expression with the above formula we have:

\sin 48\cos 15-\cos 48\sin 15=\sin (48-15)

i.e.

            \sin 48\cos 15-\cos 48\sin 15=\sin 33

natali 33 [55]3 years ago
3 0
\bf \textit{Sum and Difference Identities}&#10;\\ \quad \\&#10;sin({{ \alpha}} + {{ \beta}})=sin({{ \alpha}})cos({{ \beta}}) + cos({{ \alpha}})sin({{ \beta}})&#10;\\ \quad \\&#10;\boxed{sin({{ \alpha}} - {{ \beta}})=sin({{ \alpha}})cos({{ \beta}})- cos({{ \alpha}})sin({{ \beta}})}

\bf cos({{ \alpha}} + {{ \beta}})= cos({{ \alpha}})cos({{ \beta}})- sin({{ \alpha}})sin({{ \beta}})&#10;\\ \quad \\&#10;cos({{ \alpha}} - {{ \beta}})= cos({{ \alpha}})cos({{ \beta}}) + sin({{ \alpha}})sin({{ \beta}})\\\\&#10;-------------------------------\\\\&#10;sin(48^o)cos(15^o)-cos(48^o)sin(15^o)\implies sin(48^o+15^o)&#10;\\\\\\&#10;sin(63^o)
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Which expression is equivalent lo the following complex fraction?
aev [14]

Answer:

\frac{ - 1}{2}

<h2>Hope this helps you !! </h2>

8 0
2 years ago
What is the value of n in the equation 1/2(n – 4) – 3 = 3 – (2n + 3)?
Travka [436]
Distribute 1/2 to <span>(n – 4):

</span>\frac{1}{2} \times n = \frac{1}{2}n
\frac{1}{2} \times -4 = -2
<span>
Subtract (2n + 3):

</span>- (2n + 3) = -2n -3
<span>
Your equation should now look like this:

</span>\frac{1}{2}n - 2 - 3 = 3 - 2n - 3
<span>
Combine like terms on both sides:

</span>-2 - 3 = -5
3 - 3 = 0
\frac{1}{2}n - 5 = -2n
<span>
Subtract 1/2n from both sides:

</span>-5 = -\frac{5}{2}n
<span>
Divide both sides by -5/2 to get n by itself:

</span>n = 2
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The value of n is 2.</span>
8 0
3 years ago
Read 2 more answers
Which of the following is the correct value for x
USPshnik [31]
(1) 5 is the answer
7 0
3 years ago
Real answers only pls! no links either!
MaRussiya [10]

Answer:

A. 4/8 + 2/4 =1 B.5/8 + 1/4 =0.875

C.6/8 + 3/4 =1.5 D.7/8 + 2/4 =1.375

3 0
2 years ago
What number do we divide by -8 to get 6?
Marina86 [1]
-48

6* -8 = -48

Hope this helps ;)
8 0
3 years ago
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