CBSE BOARD X, asked by nitamehetre820, 19 days ago

Cos(43+x) = Sin(20+2x) then find value of x

Answers

Answered by annuahlawat94

0

Answer:

x = 9

Explanation:

cos (43 + x) = sin (20 + 2x)

sin (90 - (43 + x)) = sin (20 + 2x)

sin (47 - x) = sin (20 + 2x)

47 - x = 20 + 2x

47 - 20 = 2x + x

27 = 3x

9 = x

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