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lorasvet [3.4K]
3 years ago
10

Verify the identity sin^2(x/2)=(1-cosx)/2

Mathematics
1 answer:
horsena [70]3 years ago
5 0
Use the following identity:

cos(2x)=1-2sin^2(x)
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what is the quotient (65y3 15y2 − 25y) ÷ 5y? a. 13y2 3y − 5 b. 13y3 3y2 − 5y c. 13y2 − 3y 5 d.13y2 − 3y − 5
Aneli [31]

Keywords:

<em>Division, quotient, polynomial, monomial </em>

For this case we must solve a division between a polynomial and a monomial and indicate which is the quotient.

By definition, if we have a division of the form: \frac {a} {b} = c, the quotient is given by "c".

We have the following polynomial:

65y ^ 3 + 15y ^ 2 - 25y that must be divided between monomy5y, then:

C (y) represents the quotient of the division:

C (y) = \frac {65y ^ 3 + 15y ^ 2 - 25y} {5y}

C (y) = \frac {65y ^ 3} {5y} + \frac {15y ^ 2} {5y} - \frac {25y} {5y}

C (y) = 13y ^ 2 + 3y-5

Thus, the quotient of the division between the polynomial and the monomial is given by:

C (y) = 13y ^ 2 + 3y-5

Answer:

The quotient is: C (y) = 13y ^ 2 + 3y-5

Option: A


4 0
2 years ago
Read 2 more answers
What is the answer to 0.5(4a+6b)
Rudik [331]
The way we simplify this is by using the distributive property and multiply every term by 0.5. When we do this we get 2a+3b
8 0
3 years ago
What are the steps to solve the following quadratic equation: 9x +1= 5
ra1l [238]

4/5

Step-by-step explanation:

9x+1=5

or, 9x=5-1

or, 9x=4

therefore x=4/5

6 0
3 years ago
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If AB= 4 units and DC=4 units , what is the length of BC​
Degger [83]

Answer:

4 units i think

Step-by-step explanation:

i dont know how beacuse 4 is answer

4 0
2 years ago
Find the three geometric means between 15 and 1215.
irina [24]
Hello,

g_m(15,1215)=√(5*1215)=9√15≈77,942286340....
====================================
6 0
3 years ago
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