Question
A man 2 m tall is 25 m away from a tower 27 m high.
Determine the angle of elevation of the top of the tower from the eye of the observer.Solution
In △ CDE, tan θ = CD/CE = (BD - BC)/CE = (27 - 2)/ 25 = 25/25 tan θ = 1 = tan 45 ° θ = 45 °
In the ATP-driven proton potassium exchange mechanism, the H+ ions are formed due to dissociation of
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National Seed Corporation was established in
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To harness the potential of ICT in Agriculture, Ministry of Agriculture & Farmers Welfare launched the scheme __________on January 21, 2004. The main a...
Radicidation is
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- CaCO 3
- CaCl2
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