71/3 - 21/4 (2 1/5 × 3/4) with working
2 answers:
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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°)
Answer:
5 units
Step-by-step explanation:
You can use the distance formula or pythagorean theorem to solve this.
Original point A: (0,0)
New point B: (3, 4)
Distance formula:
Plug the points in:
= 5
5 units