यदि (f\(\theta\)=\sin \theta+\cos \theta) है, तो (f\left\(\frac{\pi}{2}-\theta\right\)) किसके बराबर होगा?
If (f\(\theta\)=\sin \theta+\cos \theta), then (f\left\(\frac{\pi}{2}-\theta\right\)) is equal to what?
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Correct Answer
B. \(\sin \theta+\cos \theta\)
Simple Explanation
क्योंकि पूरक कोणों में (\sin\left\(\frac{\pi}{2}-\theta\right\)=\cos \theta) और (\cos\left\(\frac{\pi}{2}-\theta\right\)=\sin \theta) होता है। परीक्षा में co-function सूत्र याद रखें। / Because for complementary angles ( \sin\left\(\frac{\pi}{2}-\theta\right\)=\cos \theta) and ( \cos\left\(\frac{\pi}{2}-\theta\right\)=\sin \theta). In exams remember co-function formulas.
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