All Sin Tan Cos Rule Signs of Trigonometrical Ratios

What is all sin tan cos rule? All sin tan cos rule is all trigonometrical ratios in the first quadrant, only sin (and cosec) in the second quadrant, only tan (and cot)

If Tan Theta Root And Theta Lies In Yhe First Quadrant The Value Of Cos Theta Is Whole

If Tan Theta Root And Theta Lies In Yhe First Quadrant The Value Of Cos Theta Is Whole