Math, asked by padmavathi101083, 10 months ago

= cosecĄ + cot A.
-Prove that
COS A - sin A +1
cos A + sin A-1

Answers

Answered by sandy1816

1

Step-by-step explanation:

cosA-sinA+1/cosA+sinA-1

devide by sinA in each term

cotA-1+cosecA/cotA+1-cosecA

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

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

=cosecA+cotA

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