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Grade 12Trigonometry

Givenequation y=root (1-sin4A)+1/root (1+sin4A)-1 has four roots y1, y2,, y3,y4..

1.then y1+y2+y3+y4 is equal to(a) 1/sin4A b.2/sin4A c.3/sin4A d.4/sin4A

Profile image of Preet Vijay
13 Years agoGrade 12
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1 Answer

Profile image of Akash Kumar Dutta
13 Years ago

y1= -tan A,
y2= cot A
y3= tan( pi/4 + A)
y4= -cot(pi/4 + A)
now find it

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