Answer:
2
Step-by-step explanation:
Answer:
b = 
Step-by-step explanation:
The standard form of the sine is
y = asin(bx + c) + d
where | a | is the amplitude, period = 
c is the phase shift and d the vertical shift
Here period = 15, thus
= 15 ( multiply both sides by b )
15b = 2π ( divide both sides by 15 )
b = 
Answer:
(√2)/x²
Step-by-step explanation:

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Or, maybe you mean ...

The triangle is an Obtuse triangle