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galina1969 [7]
3 years ago
11

Write the following expression as a trigonometric function of a single angle.

Mathematics
1 answer:
wel3 years ago
7 0
Sin(a+/-b)=sin(a)cos(b)+/-cos(a)sin(b)

sin(17+26)=sin(17)cos(26)+cos(17)sin(26)

Answer: sin(43)
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Which sequence could be described by the explicit definition: t_n=2^n+1t n = 2 n + 1
yuradex [85]

Answer:

2. 27

3. Option C. 3, 5, 9, 17, 33, ...

Step-by-step explanation:

2. The sequence is defined by the explicit function t_{n} = 2^{n}  - n

Therefore, the 5th term i.e. t_{5} of the sequence.

t_{5} = 2^{5}  - 5 = 32 - 5 = 27 (Answer)

3. The explicit definition is t_{n} = 2^{n}  + 1

Hence, t_{1} = 2^{1}  + 1 = 3

t_{2} = 2^{2}  + 1 = 5

t_{3} = 2^{3}  + 1 = 9

t_{4} = 2^{4}  + 1 = 17

Therefore, the option C is the right sequence. (Answer)

4 0
3 years ago
Read 2 more answers
What is 20% of $ a dollar and 50 Cent
raketka [301]
1.50x.20=.30
It's 30 cents
8 0
3 years ago
How many minutes are there in 2 3/5 hours
mars1129 [50]

156 minutes.

To find this, remember that an hour has sixty minutes. With this information, it is also given that there are two hours, thus meaning that we have to multiply sixty by two. This will give you 120. Next, you need to figure out the 3/5's portion of an hour. To find 1/5 of an hour, simply divide sixty by five. With that, you get the answer of 12. But because it says 3/5, you need to multiply 12 by 3, giving you 36. Finally, you add 36 to 120 to get the final answer of 156.

Hope this helps!

5 0
3 years ago
Pls help with this math question
Korvikt [17]

Answer:

I would say A

Step-by-step explanation:

if wrong sorry the graph kinda blurry

3 0
2 years ago
Read 2 more answers
One angle of a right triangle measures 7º. What is the measure of the other acute angle?
ratelena [41]

Let other be x

Using angle sum property

\\ \rm\Rrightarrow x+7+90=180

\\ \rm\Rrightarrow x+97=180

\\ \rm\Rrightarrow x=180-97

\\ \rm\Rrightarrow x=83°

3 0
3 years ago
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