Question

prove that tanhx/sechx-1+tanhx/sechx-1=2cosechx,for x not equal to 0​

Answer 1

Answer:

I A method of application of organic fertilizer. In accordance with the teachings of this method plant matter is dehydrated and pelletized to form fertilizer pellets. The fertilizer pellets are then spread on soil. When the fertilizer pellets are hydrated, the fertilizer pellets release nutrients into the soil.