tanx/(1 + tanx) = sinx/(sinx + cox) Important Trig Identity

preview_player
Показать описание
#mhf4u_trigonometry #CompoundAngle #SumProduct #ProductSum #Edexcel #MHF4U #GMI #AnilKumar #IBSLMath #APMath #Trigonometry
Рекомендации по теме
Комментарии
Автор

But if you multiply left side with cos x/cos x you also have to do it with right side... You are adding an value to one side of the = which means it isn't equal if you don't do it on the other

tastygaming
Автор

Thanks so much, your video is very helpful

acheremujacob
welcome to shbcf.ru