Asked by elena

Compare the graphs
f(è)=sinè and f(è)=sin(-è).
f(è)=cosè and f(è)=cos(-è).

What conclusions can you make?

13 years ago

Answered by elena

e = theta :(

13 years ago

Answered by bobpursley

sine is an odd function.
cosine is an even function.

Look at the symmetry around Theta=0

13 years ago

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