Question

sin theta + cos theta ka whole square​

Answer 1

Answer:

sin^theta+cos^theta=1

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Answer 2

$\large \bold \red\star \: \underline {Solution:-}$

${( \sin\theta + \cos \theta) }^{2} \\ \\ = \red{ {\sin }^{2} \theta + {\cos }^{2} } + 2 \sin \theta. \cos \theta. \\ \\ = \red 1 + 2 \sin \theta. \cos \theta.$

$\large \bold \red\star \: \underline{Some \: Information :-}$

$\blue{ {\sin }^{2} \theta + {\cos }^{2}\theta = 1.}$