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Grade 11Trigonometry

If x,y €[0,10] the find no of solutions of inequality

[ 3^{sec(x).sec(x) -1}. sqrt( 9y² -6y+2) ] less then equal to 1

Ishaan

7 Years agoGrade 11

1 Answer

Arun

7 Years ago

inm value of 9y^2 – 6y + 2 = – (36 – 72) /36 = 1

hence

now

sec x has minimum value = 1

hence if we talk about using min value then

3^(1 – 1) . sqrt (1)

1 * 1

1

this is incorrect hence no solution

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