Answer:
0
Step-by-step explanation:
sin²θ + cos²θ = 1
secθcosθ = (1/cosθ)cosθ = 1
1 - 1 = 0
Answer:
Step-by-step explanation:
- Let's assume that it is rational , so this number can be represented as
<h3>
-Since the denominator is not a natural number then the 1/√2 is respectively an irrational number</h3>
Answer:
x = 6
Step-by-step explanation:
Let x = first number
x+4x = 30
5x = 30
Divide by 5
5x/5 =30/5
x = 6
Answer:
8
Step-by-step explanation:
The other sides are the same and 30/15 is 2, so 120/15 is 8, so they are all equivalent, so 2*15=30 and its the same for b, 8*15=120