Question

The area of the curve r = (1 + costheta).​

Answer 1

Answer:

The given curve is a closed curve called cardioid. line θ=0 . As r=f(cosθ) , r is periodic with period 2π . (12)∫r2dθ , over θ∈[0,2π]

Answer 2

Answer:

this is very very difficult and different question I know this is a very important question but I really really hates math