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Question : 106 of 160
Marks:
+1,
-0
Solution:
‌‌ Now, ‌‌| tan‌80∘−tan‌10∘ |
| tan‌70∘ |
‌=‌| tan‌80∘−tan‌10∘ |
| tan(80∘−10∘) |
‌=‌| tan‌80∘−tan‌10∘ |
| tan‌80∘−tan‌10∘ |
×(1+tan‌80∘‌tan‌10∘)‌=1+tan‌80∘‌tan‌10∘‌=2
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