if tan theta=2xy/x^2-y^2,prove that sin theta=2xy/x^2+y^2
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ǫᴜᴇsᴛɪᴏɴ :-
ᴀɴsᴡᴇʀ :-
p = 2xy
b = x² - y²
h = ?
by using Pythagoras theorem :
h² = b² + p²
h² = (x² - y²)² + (2xy)²
h² = (x²)² + (y²)² - 2x²y² + 4x²y²
h² = (x²)² + (y²)² + 2x²y²
h² = (x² + y²)²
h = √(x² + y²)²
h = x² + y²
Hᴇɴᴄᴇ Pʀᴏᴠᴇᴅ !
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