Grade 11Trigonometry
x/a cosA+ y/b sinA=1x/a cosB + y/b sinB=1cosAcosB/a^2 +sinAsinB/b^2=0 then show that tanAtanB=b^2(x^2-a^2)/a^2(y^2-b^2) and x^2+y^2=a^2-b^2
x/a cosA+ y/b sinA=1
x/a cosB + y/b sinB=1
cosAcosB/a^2 +sinAsinB/b^2=0 then show that tanAtanB=b^2(x^2-a^2)/a^2(y^2-b^2) and x^2+y^2=a^2-b^2
