given secA=cosec(5A-42) then find the value of A if A is acute angle
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Answer:
the value of A = 44
Step-by-step explanation:
Given that,
Sec 2A= cosec (A - 42)
Cosec (90 - 2A)= cosec (A - 42) [∵, cosec (90°- θ)= sec θ]
Comparing angles
90 - 2A= A - 42
90 + 42= A + 2A
132 = 3A
A = 132/3
2A = 88
A = 88/2
Hence, the value of A = 44, which is an acute angle.
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