Question

cos a=⅘ find sec a + tan a -1​

Answer 1

Answer:

1

Step-by-step explanation:

cos a = 4/5

so, sec a = 5/4

tan a =3/4

Now put the value in sec a + tan a - 1

= 5/4 + 3/4 - 1

=8/4 -1

= 2- 1

= 1