Question

23. If sec 4A = cosec (A - 20%), where 4A is an acute angle, find the value of a
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Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

sec4a =cosec(a-20)

cosec(90-4a)=cosec(a-20). [sec e=cosec(90-e)

{comparing angles}

90-4a=a-20

-4a-a=-20-90

-5a=-110

a=-110÷(-5)

a=22