plz answer this 2 question
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Ans - secA = 1/2
Step-by-step explanation:
(1+cosA)(1-cosA) = 3/4
=> 1 - cos^2A = 3/4
=>1 - 1/sec^2A =3/4
=>1-3/4 =1/sec^2A
=>1/4 = 1/sec^2A
=>sec^2A = 1/4
=> secA = 1/2
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