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please sir help me to solve this query
If tan x=k , then find the value of
If acosA-bsinA=c
Prove that. asinA+bcosA=
then show that tan=
if cos A + sin A= cos A
show that cos A-sin A= sin A
tanx=root n where n belongs to N2 then sec 2x is always-
rational irrational positive or negative?