(1 + cos theta) (1 - cos theta) =
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1
Answer:
the correct answer is
1 - cos square theta
Answered by
4
Question :
(1 + cosθ)(1 - cosθ) = ?
Solution :
(1 + cosθ)(1 - cosθ) = (1)² - (cosθ)²
∴ (1 + cosθ)(1 - cosθ) = 1 - cos²θ
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#done ✅
#done ✅# 5 ᴛʜᴀɴᴋꜱ ᴘʟᴢ ❤️
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