Math, asked by yellapusony400, 11 months ago

prove that cot A + cosec A -1/cotA- cosecA+1=1+cosA/sinA
please answer this question fast​

Answers

Answered by sandy1816
3

Step-by-step explanation:

cotA+cosecA-1/cotA-cosecA+1

=(cotA+cosecA)-(cosec²A-cot²A)/(cotA-cosecA+1)

=(cotA+cosecA)(1-cosecA+cotA)/(cotA-cosecA+1)

=cotA+cosecA

=cosA/sinA+1/sinA

=1+cosA/sinA

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