evaluate
Asked by aruushi | 21st Apr, 2010, 02:55: PM
Expert Answer:
58 and 32 are complementary angles.
so
cos58=sin32
simly
sin 22=cos 68
tan 18=cot72
tan 35=cot 55
so
(tan18 tan72)(tan35 tan55)tan60
=(cot72tan72)(cot 55 tan 55) tan 60
=(1)(1) tan 60
=tan 60
put all these values in the expression and evaluate.
Answered by | 21st Apr, 2010, 10:13: PM
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