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OpenStudy (anonymous):
(tan30 degree +tan30 degree)/(1- tan30 degree tan30 degree) which expression i have to use and whys the exact value ?
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Parth (parthkohli):
tan(30) = sin(30)/cos(30) The value of sin(30) is 1/2 and cos(30) is sqrt3/2. Hence, tan(30) is 1/sqrt3
OpenStudy (campbell_st):
you have used the expansion of tan(A + B)
OpenStudy (amoodarya):
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