What is the value of cos(Tan-1 1)?

0.98116

Step-by-step explanation:

Solamente simplificalo

c

step-by-step explanation:

i think because what else can be a sample of every member

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.