a) COS X+sin x tan x=sec x b) cscr-sinx=cotxcosx 1 c) 1 = tan x sin x secx d) cscx.cot x-sec x=1+cotx COS X e) sin x tan
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a) COS X+sin x tan x=sec x b) cscr-sinx=cotxcosx 1 c) 1 = tan x sin x secx d) cscx.cot x-sec x=1+cotx COS X e) sin x tan
a) COS X+sin x tan x=sec x b) cscr-sinx=cotxcosx 1 c) 1 = tan x sin x secx d) cscx.cot x-sec x=1+cotx COS X e) sin x tan x.cos x=1- cos²x f) sec X.cscx=tan x + cotx
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