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ques 9

Asked by rbhatt16 11th December 2017, 8:38 PM
Answered by Expert
Answer:
begin mathsize 16px style now space the space given space equation space can space be space writen space as
sin 2 straight x greater than square root of 2 open parentheses fraction numerator 1 minus cos 2 straight x over denominator 2 end fraction close parentheses plus open parentheses 2 minus 2 square root of 2 close parentheses open parentheses fraction numerator 1 plus cos 2 straight x over denominator 2 end fraction close parentheses
2 sin 2 straight x greater than square root of 2 minus square root of 2 cos 2 straight x plus 2 minus 2 square root of 2 plus 2 cos 2 straight x minus 2 square root of 2 cos 2 straight x
2 sin 2 straight x greater than square root of 2 plus 2 minus 2 square root of 2 plus 2 cos 2 straight x minus 2 square root of 2 cos 2 straight x minus square root of 2 cos 2 straight x
2 sin 2 straight x greater than open parentheses square root of 2 plus 2 minus 2 square root of 2 close parentheses plus open parentheses negative square root of 2 plus 2 minus 2 square root of 2 close parentheses cos 2 straight x
2 sin 2 straight x minus open parentheses 2 minus 3 square root of 2 close parentheses cos 2 straight x minus open parentheses 2 minus square root of 2 close parentheses greater than 0
now space
minus square root of straight a squared plus straight b squared end root less than asinx plus bcosx less than square root of straight a squared plus straight b squared end root
end style
Answered by Expert 12th December 2017, 1:05 PM
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