31.
tan 30º. sin 30º.cot 60º.cosec 30º =
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0
Answer:
1
Step-by-step explanation:
tan 30° = 1/cot 30°
sin 30° = 1/cosec 30°
So, 1/cot 30°×cot 30°×1/cosec 30°×cosec 30°
= 1
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