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How we should find the trigonometric ratioes of 90degaree and 0degaree

Posted by Ramesh Khyadad 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Ram Kushwah 6 years, 10 months ago

let B=base L=altitude and H=hypotenuse

At 90⁰ B =0 and L=H,so sin 90=L/H=1 and cos90=0/H=0 tan 90 = L/B = L/0= infinite

At 0⁰ L=0 and B=L so sin 0=0 , cos 0 =b/h=1 tan 0=L/B=0/b=0

Value of cot,sec and cosec can be found accordingly

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