Question

(Seca + tana) = 7 है तो(seca - tana)ज्ञात करो​

Answer 1

Answer:

Given ;

sec A + tan A = 7

To find :-

sec A - tan A

Formula Used :-

sec²A - tan² A = 1 , [ a² - b² = (a+b)(a-b) ]

Solution :-

sec²A - tan²A = 1

( secA + tanA )( secA - tanA ) = 1

7 ( sec A - tan A ] = 1

)(((( sec A - tan A = 1/7 ))))(

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