Evaluate
tan 20° tan 32° tan 45º tan 58° tan 70° :
02.
o o
o -1
0 1
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Answer:
Tan 20 tan 32 tant 45 tan 58 tan 70
=cot ( 90 - 20 ) X cot ( 90 - 32 ) X 1 X tan 58 tan 70
=cot 70 X cot 58 X 1 X tan 58 X tan 70
=1/ tan 70 X 1/ tan 58 X 1 X tan 58 X tan 70
= 1
HOPE IT HELPS
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