Page 1 of 1

Given that: cosθ+sinθ=45​ where: 0<θ<4π​. Determine cos2θ

Posted: Thu Jul 14, 2022 3:57 pm
by answerhappygod
 1
1 (5.14 KiB) Viewed 40 times
Given that: cosθ+sinθ=45​ where: 0<θ<4π​. Determine cos2θ