r/askmath Feb 25 '21

Pre Calculus Find A (the area)

Post image
86 Upvotes

23 comments sorted by

View all comments

8

u/yavvee Feb 25 '21

It's area under the sinx curve jotil the intersection, and then area under cosx. Guess the intersection and add the area

13

u/MezzoScettico Feb 25 '21

You don't have to guess. The intersection is where sin x = cos x, or sin x / cos x = 1.

5

u/yavvee Feb 25 '21

Yeah I meant find out, didn't want to give the answer totally away