Question

If Sin2theta=1/5,find sin theta+cos theta=?​

Answer 1

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$\bold{sin 2\theta = \frac{1}{5} }$

$\longrightarrow \: 2sin \theta \: cos \theta = \frac{1}{5}$

$\longrightarrow \frac{1}{2} [ {(sin \theta + cos \theta)}^{2} - ( {sin}^{2} \theta + {cos}^{2} \theta)] = \frac{1}{5}$

$\longrightarrow \: \frac{1}{2} {(sin \theta + cos \theta)}^{2} - \frac{1}{2} = \frac{1}{5}$

$\longrightarrow \: \boxed {\mathfrak{ {(sin \theta + cos \theta)}^{2} = \frac{7}{5} }}$

Answer 2

Answer:

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Step-by-step explanation:

महाराष्ट्र व ओरिशा लोगसहीत्या (Art Integration Project)

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