Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 66
inates ofyi — 3 siiiiv and y., = sin (2.r) corresponding to the same valueof X. When the sine-function occurs in the form y — a sin (wt + 6),where w is uniform angular velocity in radians, t time in sec-onds, a is called the amplitude, 6 the epoch angle. The periodic PLOTTING OF THANSCENDENTAL… … 1=0 !J A r\ / ^-N \ / \ / \ \ / \ \ / \ t \ / \ \ 1 \ \ 1 \ \ k/ 1 — — \ To add giapliically two sine-functions of equal periods?/, = «i sin (co^ + ^,), ?/^ = ao (sin w^ + ^o), draw a pair of con-centric circles with rndii «, and a~y Let 1\0D and P.,OD beoj^ + $1 and (ot -f d., corresponding to the…
Geometry, Analytic
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