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The maximum value of sin x + cos x is
  • a)
    1
  • b)
    2
  • c)
    √2
  • d)
Correct answer is option 'C'. Can you explain this answer?
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The maximum value ofsin x+cos x isa)1b)2c)√2d)Correct answer is ...
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The maximum value ofsin x+cos x isa)1b)2c)√2d)Correct answer is ...
sinx + cosx=sinx + sin(90-x)=2sin{(x+90-x)/2}cos{(
x-90+x)/2}using the formula 
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The maximum value ofsin x+cos x isa)1b)2c)√2d)Correct answer is ...
A=b=1, maximum and minimum value of sinx + cosx = (+,-)√[1^2+1^2], i.e. +√2 is maximum value and -√2 is the minimum value.
that's why option C is correct
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The maximum value ofsin x+cos x isa)1b)2c)√2d)Correct answer is option 'C'. Can you explain this answer?
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