Question

if cos A =3/5 then find the value of sec A -1​

Answer 1

ǫᴜᴇsᴛɪᴏɴ →

if cos A =3/5 then find the value of sec A -1

ᴀɴsᴡᴇʀ →

$\longmapsto\tt{ {cos}^{ - 1} \: (5÷3)}$

which is approx 60 degrees.use calculator to verify that or if you are smart enough verify graphically..

Answer 2

Answer:

2/3

Step-by-step explanation:

cos A= 3/5

the sec A = 5/3

sec A -1 =

5/3 -1

5-3/3

2/3