A surveyor has poles A, B, and C set to form a right triangle with the right angle at B. If the distance from A to B is 35 meter
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°)