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- max of asinx + bcox is √a^2 + b^2
- x1x2=48coxsinx ,also sinxcox=sin2x/2
- x1/x2=simple divide
- x1+x2= 8sinx+6cosx which can be written as 10(4sinx/5 + 3cosx/5). also 4/5 =cos37 and 3/5=sin37 so applying sin(a+b)
explain plz
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i don't understand in word
revise trigo
then buddy
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