If and lies in the second quadrant

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If tan⁡θ=−37\tan \theta = -\dfrac{3}{7} and θ\theta lies in the second quadrant, find sin⁡θ+cos⁡θ\sin \theta + \cos \theta. (a) −465-\dfrac{4}{\sqrt{65}} (b) −458-\dfrac{4}{\sqrt{58}} (c) 458\dfrac{4}{\sqrt{58}} (d) −47-\dfrac{4}{7}

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