If sec4A=cosec(A-20°), where 4A is an acute angle, find the value of A.
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Answered by
1
Answer:
sec4A=cosec(A-20)
sec4A=sec(90+20-A)
4A=110-A
5A=110
A=22
Answered by
0
Answer:
Step-by-step explanation:
sec4A=cosec(A-20)
sec4A=sec(90+20-A)
4A=110-A
5A=110
A=22
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