Question

plz solve it plz plz plz​

Answer 1

Answer:

Step-by-step explanation:

LHS

1/secA - tanA

1/secA - tanA MULTIPLIED AND DIVIDED BY 1/secA+tanA

(secA + tanA)/(secA - tanA)(secA +tanA)

secA + tanA/secA.sq + tanA.sq

   BUT secA.sq + tanA.sq = 1

    so,

secA + tanA/1   =   secA +tanA