Medium Mathematics Trigonometric Functions Class 11 Level 70

\(\sin^4 x-\cos^4 x\) का सरल मान क्या है?

What is the simplified value of \(\sin^4 x-\cos^4 x\)?

Explanation opens after your attempt
Correct Answer

C. \(\sin^2 x-\cos^2 x\)

Step 1

Concept

Write it as (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)). The second factor is (1).

Step 2

Why this answer is correct

The correct answer is C. \(\sin^2 x-\cos^2 x\). Write it as (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)). The second factor is (1).

Step 3

Exam Tip

इसे (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)) लिखें। दूसरा गुणनखंड (1) है।

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Mathematics Answer, Explanation and Revision Hints

\(\sin^4 x-\cos^4 x\) का सरल मान क्या है? / What is the simplified value of \(\sin^4 x-\cos^4 x\)?

Correct Answer: C. \(\sin^2 x-\cos^2 x\). Explanation: इसे (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)) लिखें। दूसरा गुणनखंड (1) है। / Write it as (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)). The second factor is (1).

Which concept should I revise for this Mathematics MCQ?

Write it as (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)). The second factor is (1).

What exam hint can help solve this Mathematics question?

इसे (\(\sin^2 x-\cos^2 x\)\(\sin^2 x+\cos^2 x\)) लिखें। दूसरा गुणनखंड (1) है।

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