Math, asked by praneeth31, 1 year ago

cos-sin=1÷√12 then value of sin 2tetha is?

Answers

Answered by TheLifeRacer
0
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
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