HELP PLSSS! WILL GIVE BRAINLIEST! Given that:
- sin(A)=3/7
- cos(B) = -2/5
- and that both A and B are in quadrant II

Find cos(A-B). Simplify it to a single value, leaving it in the form of a rational number.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.