Join ExamsbookAnswer : 2. "0"
The Value of logtan10+logtan20+⋯⋯+logtan890 is5
Q: The Value of logtan10+logtan20+⋯⋯+logtan890 is
- 1-1false
- 20true
- 31/2false
- 41false
- Show AnswerHide Answer
- Workspace
Answer : 2. "0"
Explanation :
Answer: B) 0 Explanation: = log tan10+log tan890 + log tan20+ log tan880+⋯⋯+log tan450 = log [tan10 × tan890] + log [tan20 × tan880 ] +⋯⋯+log1 ∵ tan(90-θ)=cotθ and tan 450=1 = log 1 + log 1 +.....+log 1 = 0.