Write the value of tan10° tan 15° tan75° tan80°
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hope this will help you out
hope this will help you out
abarna1:
can i get it with steps
Answered by
1
tan10 tan15 tan(90-75) tan (90-80)
= tan10 tan15 cot 15 cot10
as we know tan theta * cot theta = 1
so
tan10 cot10 tan15 cot 15
= 1
= tan10 tan15 cot 15 cot10
as we know tan theta * cot theta = 1
so
tan10 cot10 tan15 cot 15
= 1
thanks a lot
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