cos-sin=1÷√12 then value of sin 2tetha is?
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Hey !!
squaring on both side
(cos¢ - sin¢ )² = (1/√12)²
sin²¢ + cos²¢ + 2sin¢ ×cos¢ = 1/12 {•°•sin²¢ + cos²¢ =1}
1 -2sin¢ ×cos¢ = 1/12
-2sin¢ ×cos¢ =1 /12-1
-sin2¢ = 1/12 - 1 •°• 2sin¢ ×cos¢ = sin2¢
-sin2¢ = 1-12 /12
-sin2¢ = -11/12 Answer
sin2¢ = 11/12
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Hope it helps you !!!
@Rajukumar111
squaring on both side
(cos¢ - sin¢ )² = (1/√12)²
sin²¢ + cos²¢ + 2sin¢ ×cos¢ = 1/12 {•°•sin²¢ + cos²¢ =1}
1 -2sin¢ ×cos¢ = 1/12
-2sin¢ ×cos¢ =1 /12-1
-sin2¢ = 1/12 - 1 •°• 2sin¢ ×cos¢ = sin2¢
-sin2¢ = 1-12 /12
-sin2¢ = -11/12 Answer
sin2¢ = 11/12
*************************
Hope it helps you !!!
@Rajukumar111
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