SOLUTION: Find the exact value of cos(t/2) if
{{{ tan(t)=12/5 }}} and {{{ pi<t<3pi/2 }}}
a) 2 sqrt(13) /13
b) 3 sqrt(13) /13
c) -3/-2
d) -7 sqrt(13) /-13
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Question 928626: Find the exact value of cos(t/2) if
and
a) 2 sqrt(13) /13
b) 3 sqrt(13) /13
c) -3/-2
d) -7 sqrt(13) /-13
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
and
in radians
or
then
or
your choices are:
a) .........excluded
b) .......your answer..
c) .................excluded
d) .................excluded
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