tan 43° tan 45° tan 47° is equal to
answer fast plz (no unnecessary things)
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tan 43° tan 45° tan 47° is equal to
answer fast plz (no unnecessary things)
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1
Step-by-step explanation:
tan theta=cot(90-theta)
thus tan 43=cot 47°
therefore
cot 47* tan 47 =1
tan 45=1
thus , 1*1=1