Buktikan! a. cos (180 - a)=-cos a b. cos (360 - a)=cos a

Name: Buktikan! a. cos (180 - a)=-cos a b. cos (360 - a)=cos a
Uploaded: 2024-05-31T19:59:08.000Z
Duration: PT2M0.513S
Description: Buktikan! a. cos (180 - a)=-cos a b. cos (360 - a)=cos a