Math, asked by muralimandakuriti07, 10 months ago

then sec theta is what please answer my question I will make you as brainlist

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Answered by vundekodsudarshan

0

Answer:

the answer is option b for sec theta

Answered by Anonymous

1

Answer:

(b) x²+y²/2xy

Step-by-step explanation:

Cos θ = 1/Secθ

2xy/x²+y² = 1/2xy/x²+y²

=> x² + y² ÷ 2xy

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