# "ערכת הפתרונות" = {2kpi} uu {kpi + pi / 4}, k in ZZ #

# rarrx = 2npi, npi + pi / 4 #

#46.43^@#

איפה

#n in ZZ #

#=46.43^@#

הסבר: # rarrsinx-cosx-tanx = -1 #.

# rarrsinx-cosx-sinx / cosx + 1 = 0 #

#rarr (sinx * cosx-cos ^ 2x-sinx + cosx) / cosx = 0 # # rarrsinx * cosx-sinx-cos ^ 2x + cosx = 0 ##rarrsinx (cosx-1) -cosx (cosx-1) = 0 #

#(180^@-46.43@) = 133.57^@#

#(46.43^@+360^@) = 406.43^@#

#rarr (cosx-1) (sinx-cosx) = 0 #