| Exam Board | Edexcel |
| Module | P3 (Pure Mathematics 3) |
| Year | 2021 |
| Session | June |
| Topic | Implicit equations and differentiation |
7. Given that
$$x = 6 \sin ^ { 2 } 2 y \quad 0 < y < \frac { \pi } { 4 }$$
show that
$$\frac { \mathrm { d } y } { \mathrm {~d} x } = \frac { 1 } { A \sqrt { \left( B x - x ^ { 2 } \right) } }$$
where \(A\) and \(B\) are integers to be found.
WIHV SIHI NI III HM ION OC
VIAV SIHI NI III IM I ON OC
WARV SIHI NI IIIIM I I ON OC