We use quadratic formula then
For a expression
- ax²+bx+c=0
The quadratic formula is
If underroot values becomes negative we use iota(i)
which has value=√-1
The questions on a multiple-choice quiz each have 5 answer choices. Which model can be used to simulate randomly picking the cor
1 answer:
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Answer:
csc(-112°)=-csc(68°)
Step-by-step explanation:
Since cosec(x) and sin(x) are reciprocals of each other,
cosec(-112°)=
=
= (since 112=180-68)
= (since sin(180-x)=sinx)
= (since
)
=-cosec(68°)