Sin Cos Tan trigonometry tricks in bengali | Trigonometric table trick.
During mathematics calculation regarding trigonometry problems we must need to remember sin, cos, tan trigonometric table. But most of time we forgot this table.
In this video, I explain about easy trigonometric short tricks. By using this tricks we remember any trigonometric value within second by counting our left hand finger.
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#maths #trigonometry #mathtricks