Just A Second....

If sin2x=1

Then what is the no. of solutions it has in [ -3∩ , 4∩ ] ?

4 Answers

4
UTTARA ·

pLZZZZ Explain

21
eragon24 _Retired ·

jus draw the graph is y=sin^2 x

and y=1

u will get 7 points of intersection...so 7 soln

1
$ourav @@@ -- WILL Never give ·

sin x is either 1 or -1...solutions at -5∩/2,-3∩/2,-∩/2,∩/2,3∩/2,5∩/2,7∩/2

4
UTTARA ·

Thanks:)

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