Exercises
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HI. Here are the 12 exercises. Thank you. Due on Sunday morning. Thank you.
Use expressions 1) sin z = sin x cosh y + i cos x sinh y; 2) cos z = cos x cushy – i sin x sinh y to derive |sin z|^2 = sin^2 x + sin^2 x |cos z|^2 = cos^2 x + sinh^2 y
“except those on the segment” “onto the strip 0< v < 2Π”
Use expressions 1) sin z = sin x cosh y + i cos x sinh y; 2) cos z = cos x cushy – i sin x sinh y to derive |sin z|^2 = sin^2 x + sin^2 x |cos z|^2 = cos^2 x + sinh^2 y
“except those on the segment” “onto the strip 0< v < 2Π”
