2 years ago

What is a double angle identity to find the exact value of cos?

1 answer:

8 0

find three consecutive number whose sum shall equal 45

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lukranit [14]

Answer:

Step-by-step explanation:

This a special 90° 45° 45° triangle and is an Isosceles triangle at the same time

Of one of the equal side is 7 than the other one too must be 7

6 0

3 years ago

bezimeni [28]

Answer:

x ≤ - 27

Step-by-step explanation:

Given

$\frac{x}{-9}$ ≥ 3

Multiply both sides by - 9, reversing the symbol as a result of multiplying by a negative quantity.

x ≤ - 27

4 0

2 years ago

timofeeve [1]

Answer:

b=3

Step-by-step explanation:

yes

4 0

2 years ago

sladkih [1.3K]

Answer:

1/(√x-5)*(√x+5)/(√x+5)

Step-by-step explanation:

1/(√x-5)*(√x+5)/(√x+5)

4 0

3 years ago

Rus_ich [418]

Which one is your problem? Add picture

5 0

3 years ago