Calcalus

posted by Bob

Solve the equations below exactly Give your answers in radians, and find all possible values for t If there is more than one answer, enter your solutions in a comma separated list
(a) sin(t)= sqroot(2)/2 when t=
(b) cos(t)=1/2 when t=
(c) tan(t)=-1 when t=

  1. Steve

    Review your standard angles:

    0, π/6, π/4, π/3, π/2
    and signs in the quadrants

    Then solving these will be a cinch.

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