Geometry: Similarity, Congruence, Proofs Question: Why are proofs so picky? Why can’t we just measure the two figures to see if
1 answer:
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Solutions of in the interval from [0,2pi) is
and
.
<u>Step-by-step explanation:</u>
Find all solutions in the interval from [0,2pi)
⇒
⇒
⇒
⇒
⇒
⇒
⇒
⇒
Cosine General solution is :
⇒ , k is any integer .
At k=0,
⇒ ,
At k=1,
⇒
⇒
Therefore , Solutions of in the interval from [0,2pi) is
and
.