i got ∫∫R r3drdθ i get that the boundary for r is 0 to secα but I am stuck after this...
i get that the polar angle is supposed to be multiple values (i.e. in a general form like θ or α) but i seriously have no clue on how to approach this further
from the original set of data i get...
Homework Statement
Let R be the triangle defined by -xtanα≤y≤xtanα and x≤1 where α is an acute angle sketch the triangle and calculate
∫∫R (x2+y2)dA using polar coordinates
hint: the substitution u=tanθ may help you evaluate the integral
Homework EquationsThe Attempt at a Solution
so the...