Question

In traiangle abc,angle b=90 evaluate cosec a cos c-sin a secc

Answer 1

As b = 90,

a+c=180-b=180-90=90

cosec a cos c - sin a sec c

sec (90-a) sin (90 - c) - sin a sec c

sin a sec c - sin a sec c

= 0

Answer 2

Answer:

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Step-by-step explanation: