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The value of (sin 30° + cos 30°) - (sin 60° + cos 60°) is
  • a)
    -1
  • b)
    0
  • c)
    1
  • d)
    2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The value of (sin 30° + cos 30°) - (sin 60° + cos 60°)...
sin 30° = 1/2,
cos 30°=√3/2,
sin 60°=√3/2,
cos 60°=1/2,
By putting the value of sin 30°, cos 30°, sin 60° and cos 60° in equation
We get=
(sin30°+cos30°)-(sin60°+cos60°)=(1/2+√3/2)-(√3/2+1/2)
=0
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The value of (sin 30° + cos 30°) - (sin 60° + cos 60°) isa)-1b)0c)1d)2Correct answer is option 'B'. Can you explain this answer?
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