pls include proper steps and working for the questions. extra explaination on steps would be highly appreciated. Help needed urgently.. Thks for helping
1. Find all the angles between -360 degree and 180 degree such
that
(a) sin x = - 0.5
(b) cos x = (√3) / 2
(c) tan (-x) + 1 = 0
(d) (√2) sin (90 degree -x) +1 = 0
for your information, here are the ans.. pls give me the steps in achieving this ans.
(a) -150, -30
(b) -330, -30, 30
(c) -315, -135, 45
(d) -225, -135, 135
*** ALL ANSWER ARE IN DEGREE!!***
2006-09-23
18:03:07
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5 answers
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asked by
Anonymous
in
Mathematics