If sin= 2/3 and sec0 < 0 find cos 0 and tan 0

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Which equation represents the partial sum of the geometric series?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)