#034 Sin to Angle with "θ’s Hight" :Trigonometry ⑤
You can easily get sin & cos quickly with "θ's Hight", without the table. For high school students. Rapid Calculations for Exams - How to & Drill 00:00 Approx values of sin30, 45, 60 00:54 Accurate value of sin30, 45, 60 01:38 sin120, 180, 210, 270, 315 02:19 cos30, 120, 180, 225, 270 03:00 sin to angle & cos to angle 03:47 Drill #trigonometry #cos #sin #θ's sight method #math #highschool #exams #rapid #geometry #calculation #howto #計算力トレーニング山﨑亘 Hi! If you calculate slow or make mistakes often, this channel is for you. I believe some of the tools in my videos will help you. Videos contain drills for each topic. Some of my videos with primary or junior calculation also helps you a lot.
You can easily get sin & cos quickly with "θ's Hight", without the table. For high school students. Rapid Calculations for Exams - How to & Drill 00:00 Approx values of sin30, 45, 60 00:54 Accurate value of sin30, 45, 60 01:38 sin120, 180, 210, 270, 315 02:19 cos30, 120, 180, 225, 270 03:00 sin to angle & cos to angle 03:47 Drill #trigonometry #cos #sin #θ's sight method #math #highschool #exams #rapid #geometry #calculation #howto #計算力トレーニング山﨑亘 Hi! If you calculate slow or make mistakes often, this channel is for you. I believe some of the tools in my videos will help you. Videos contain drills for each topic. Some of my videos with primary or junior calculation also helps you a lot.