3 years ago

How would you verify tan3x = (3tanx - tan^3 x) / ( 1 - 3tan^2 x) and sin4x = (cosx)(4sinx - 8sin^3x) step-by-step?

Mathematics

1 answer:

padilas [110]3 years ago

5 0

Hope this helps you.

You might be interested in

What is the simplified expression for the expression below? 4(3x – 2) + 6x(2 – 1)

igor_vitrenko [27]

Step-by-step explanation:

4(3x-2) + 6x(2-1)

10x + 11x

21x

8 0

4 years ago

Please help me.

Paul [167]

Answer:

(1,K) hope i could help

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Pls help will mark brainliest

monitta

Answer:

y x

Step-by-step explanation:

just guessing

3 0

3 years ago

Read 2 more answers

¿Cual es el número cuya tercera parte más 12 da 26?<br>OK

iren2701 [21]

Answer:

Step-by-step explanation:

x/3+12 = 26

Multiply everything by 3 to eliminate the fraction

x+36=78

subtract 36 on both sides

x=42

42/3=14

14+12=26

7 0

3 years ago

Hao bought a 16-pound bag of dog food. If his dog eats pound of food every day, for how many days will the bag of dog food last?

densk [106]

Answer:

uh 1 pound per day 16 pounds so 16 days, i guess

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers