If sec A = cosec (A - 20°), where A is an acute angle, find the value of A.
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If sec A = cosec (A - 20°), where A is an acute angle, find the value of A.
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Answer:
Step-by-step explanation:
cosec(90 - A) = cosec(A - 20) sec theta = cosec(90 - theta)
90 - A = A - 20
90 + 20 = A + A
110 = 2A
A = 55 degree
Answer:
cosec (90-A) =cosec (A-20)
90-A=A-20
90+20=2A
110=2A
110÷2=A
A=55
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