Question

if sec A-tanA = 4 then find the value of cosA​

Answer 1

Answer:

cos A= (1- sinA) /4

Step-by-step explanation:

secA- tanA = 4

1/cosA- sinA/cosA = 4

(1-sinA)/cosA=4

1-sinA= 4(cosA)

cos A= (1-sinA) /4

hope that helped

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