if secant a + tan A =1/5, then find secA - tanA
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Answer:
( secA - tanA ) = 5
Step-by-step explanation:
we know,
sec² A - tan² A = 1
( secA + tanA ) ( secA - tanA ) = 1
[ a² - b² = ( a + b) ( a - b ) ]
1/5 × ( secA - tanA) = 1
[ Given, ( secA + tanA = 1/5 ) ]
( secA - tanA) = 5
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