Question
Find the simplified value of: (tan 40 º  +Â
tan 20 º )/(1 - tan 40 º tan 20 º)Solution
We know that tan (A + B) = (tan A + tan B)/(1 - tan A tan B) (tan 40 º  + tan 20 º )/(1 - tan 40 º tan 20 º) = tan ( 40 º + 20 º) =  √3
The silk fibres are held together in cocoon by a substance known as……………………
 The larger the soil aggregates, the greater is the amount of ……………………….pores.
Which of the following element/substance leads to deflocculation of soil particles?
In which soil order is cryopedoturbation, a frost churning process resulting from the freezing and thawing of soil material, predominantly observed?
Which soil forming process involves the deposition of materials removed from eluvial horizons into lower horizons, leading to the creation of illuvial h...
Which soil type covers the maximum area in India?
Which factor most significantly influences soil bulk density?
Soil structural units having horizontal axis much longer than vertical axis. Such type of soil structure is known as
Indian Institute of soil and water conservation is situated at:
Acidic soils are generally found in the regions of
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