# If sin (π/2 +x) = cos x cos (π/2 + x) = -sin x tan (π/2 + x) = -cot x cot (π/2 + x) = -tan x sec (π/2 + x) = ? cosec (π/2 + x) = ? This is a question from Trigonometric functions and is...

If

sin (π/2 +x) = cos x

cos (π/2 + x) = -sin x

tan (π/2 + x) = -cot x

cot (π/2 + x) = -tan x

sec (π/2 + x) = ?

cosec (π/2 + x) = ?

This is a question from Trigonometric functions and is related to deriving the formulae.

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