यदि (f(x)=\sin x) और (g(x)=\cos x) हैं, तो (\(f^2+g^2\)(x)) क्या होगा?

If (f(x)=\sin x) and (g(x)=\cos x), what is (\(f^2+g^2\)(x))?

Explanation opens after your attempt
Correct Answer

A. (1)

Step 1

Concept

(\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1). Remember the trigonometric identity.

Step 2

Why this answer is correct

The correct answer is A. (1). (\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1). Remember the trigonometric identity.

Step 3

Exam Tip

(\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1)। त्रिकोणमितीय पहचान याद रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=\sin x) और (g(x)=\cos x) हैं, तो (\(f^2+g^2\)(x)) क्या होगा? / If (f(x)=\sin x) and (g(x)=\cos x), what is (\(f^2+g^2\)(x))?

Correct Answer: A. (1). Explanation: (\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1)। त्रिकोणमितीय पहचान याद रखें। / (\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1). Remember the trigonometric identity.

Which concept should I revise for this Mathematics MCQ?

(\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1). Remember the trigonometric identity.

What exam hint can help solve this Mathematics question?

(\(f^2+g^2\)(x)=\sin-2 x+\cos-2 x=1)। त्रिकोणमितीय पहचान याद रखें।