I’ve done a but I don’t understand b.

I’ve got this so far:
2/cos x^2 = (1/1-sin x) + (1/1+sin x)

I don’t understand what to do next

(1,4) is on graph of f(x)

f(1) = 4

so 1/4 f(x)

1/4 f(1)

1/4. ×4

1

so point for function 1/4. f(x) is (1,1)

it is 10.6 according to my calculations

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8

step-by-step explanation: