if pi is less than or =x and 2pi is greater than or =x then the value of cos^-1(cosx)=?
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nverse function. Inverse of a function 'f ' exists, if the function is one-one and onto, i.e, bijective. ... domains and co-domains in order to make them one-one and onto and then find ... trigonometric functions are given below: Functions ... x ∈R –(–1,1). 5. sin–1x + cos–1x = π. 2. : x ∈[–1,1] tan–1x + cot–1x = π. 2. : x ∈R.
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