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nasty-shy [4]
3 years ago
15

Prove the following trigonometric identities:

Mathematics
1 answer:
pishuonlain [190]3 years ago
6 0

Convert everything to terms of sine and cosine:

\dfrac{\sec\theta}{\tan\theta}=\dfrac{\frac1{\cos\theta}}{\frac{\sin\theta}{\cos\theta}}

The factors of \dfrac1{\cos\theta} cancel to give

\dfrac1{\sin\theta}=\csc\theta

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- 11/5 -2.4 1.6 15/10 - 2.25 in order from least to greatest
tatuchka [14]

Answer (least to greatest):

  1. -2.4
  2. -2.25
  3. -11/5
  4. 15/10
  5. 1.6

I hope this helps!

8 0
3 years ago
Read 2 more answers
The flower shop makes bouquets with ten flowers in each bouquet.
denis-greek [22]
I agree with with the florist because when you divide 207 by 10 you will get 20.7. This means that the florist could make 20 bouquets but seven flowers would be left out.
Hope this helps and please mark brainliest!

3 0
2 years ago
Albert got in line at the movies to buy snacks at 6:42 P.M. He bought popcorn and a bottle of
Vsevolod [243]

Answer:

33 minutes

Step-by-step explanation:

there are 60 minutes in an hour so you subtract 60 and 42 so you get 18. Then its 15 minutes into 7:00 so you add 15 and 18 and you get 33 minutes.

3 0
3 years ago
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I need to solve: 6x+3^59
MrMuchimi
6х=59:3
6х=19,6
Х=19,6:6
Х=3,2
7 0
3 years ago
Factor the trinomial 5x^2-x-4
LenaWriter [7]

Answer:

<h2>(5x+4)(x-1)</h2>

Step-by-step explanation:

5x^2-x-4\\\\\mathrm{Break\:the\:expression\:into\:groups}\\=\left(5x^2+4x\right)+\left(-5x-4\right)\\\\\mathrm{Factor\:out\:}x\mathrm{\:from\:}5x^2+4x\mathrm{:\quad }x\left(5x+4\right)\\\mathrm{Factor\:out\:}-1\mathrm{\:from\:}-5x-4\mathrm{:\quad }-\left(5x+4\right)\\\\=x\left(5x+4\right)-\left(5x+4\right)\\\\\mathrm{Factor\:out\:common\:term\:}5x+4\\=\left(5x+4\right)\left(x-1\right)

6 0
3 years ago
Read 2 more answers
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