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Leni [432]
2 years ago
12

The work shown is a way to derive Tangent (x + y) = StartFraction tangent (x) + tangent (y) Over 1 minus tangent (x) tangent (y)

EndFraction
What expressions go in the derivation of the tangent sum identity in place of A, B, and C?
Cos y cos x tan y sin x

Mathematics
1 answer:
Darina [25.2K]2 years ago
4 0

Answer:

A: cos x

B: cos y

C: tan y

Step-by-step explanation:

You might be interested in
What is the measure of
EleoNora [17]

Answer:

129 degrees.

Step-by-step explanation:

As we can see, angle DCF is made up of 2 different angles, DCE and ECF, the sum of the measure of these two angles is equal to the measure of angle DCF.

75+54=129 degrees

Hope it helps!

4 0
3 years ago
The local school sponsored a mini-marathon and supplied 84 gallons of water per hour for the runners. What is the amount of wate
Dmitrij [34]
All you need to do is multiply 84 by 4. 

The number of gallons by the number of quarts <em>in a gallon. </em>

80*4= 320

4*4=16

320+16= 336

There are 336 quarts of water supplied an hour. 

I hope this helps!
~kaikers
3 0
3 years ago
Read 2 more answers
If three hats cost 24.30 how much is 1 hat
Katen [24]
Just cross multiply basically divide

5 0
3 years ago
Question 3 (1 point)
sertanlavr [38]

Answer:

d: 15 units squared

Step-by-step explanation:

The area of a triangle is \frac{b*h}{2}:

  • Base: 5
  • Height: 6
  • Area: (5•6)/2=30/2=15
6 0
3 years ago
Can you answer those 2 questions please?!thank you
Brrunno [24]

Answer:

Question 1: Fraction

Question 2: Equal

Step-by-step explanation:

I know Q1 is right, I'm not so sure about Q2 so I'm sorry if that's wrong

5 0
3 years ago
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