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Inverse Trigonometric Functions

Madhya Pradesh Board · Class 12 · Mathematics

Flashcards for Inverse Trigonometric Functions — Madhya Pradesh Board Class 12 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

105 questions44 flashcards5 concepts

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A flowchart illustrating the conditions (one-one and onto) required for a function to have an inverse, and what happens if these conditions are not met.
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44 Flashcards
Card 1Principal value of sin inverse

Solve for the principal value: sin⁻¹(1/√2)

Answer

Step 1: Let y = sin⁻¹(1/√2). Then sin y = 1/√2. Step 2: The principal value range of sin⁻¹x is [-π/2, π/2]. Step 3: Since sin(π/4) = 1/√2 and π/4 lies in the principal range, y = π/4. Answer: π/4

Card 2साइन इन्वर्स का मुख्य मान

मूलधन का मान ज्ञात कीजिए: sin⁻¹(1/√2)

Answer

चरण 1: मान लीजिए y = sin⁻¹(1/√2). तो sin y = 1/√2. चरण 2: sin⁻¹x का मुख्य मान परास [-π/2, π/2] है। चरण 3: चूँकि sin(π/4) = 1/√2 और π/4 मुख्य परास में आता है, y = π/4. उत्तर: π/4

Card 3कोट इन्वर्स का मुख्य मान

मूलधन का मान ज्ञात कीजिए: cot⁻¹(-1/√3)

Answer

चरण 1: मान लीजिए y = cot⁻¹(-1/√3). तो cot y = -1/√3. चरण 2: cot⁻¹x का मुख्य मान (0, π) है। चरण 3: cot(2π/3) = -1/√3 और 2π/3, (0, π) में स्थित है। उत्तर: 2π/3

Card 4Principal value of cot inverse

Solve for the principal value: cot⁻¹(-1/√3)

Answer

Step 1: Let y = cot⁻¹(-1/√3). Then cot y = -1/√3. Step 2: The principal value range of cot⁻¹x is (0, π). Step 3: cot(2π/3) = -1/√3 and 2π/3 lies in (0, π). Answer: 2π/3

Card 5Common misconception

Why is sin⁻¹x not the same as (sin x)⁻¹?

Answer

Step 1: sin⁻¹x means the inverse trigonometric function of sine. Step 2: (sin x)⁻¹ means 1/sin x, which is cosec x. Step 3: Example: if x = π/6, then sin⁻¹(1/2) = π/6, but (sin π/6)⁻¹ = 2. Answer: sin

Card 6आम गलतफहमी

sin⁻¹x, (sin x)⁻¹) के समान क्यों नहीं है?

Answer

चरण 1: sin⁻¹x का अर्थ है साइन का व्युत्क्रम त्रिकोणमितीय फलन। चरण 2: (sin x)⁻¹ का अर्थ है 1/sin x, जो कि cosec x है। चरण 3: उदाहरण: यदि x = π/6, तो sin⁻¹(1/2) = π/6, लेकिन (sin π/6)⁻¹ = 2. उत्तर: sin⁻

Card 7रचना की पहचान

हल करें: sin(sin⁻¹x)

Answer

चरण 1: मान लीजिए y = sin⁻¹x, तो sin y = x. चरण 2: यह समीकरण x के लिए [-1, 1] में मान्य है। चरण 3: इसलिए sin(sin⁻¹x) = x for x in [-1, 1]। उत्तर: x, x के लिए [-1, 1] में

Card 8Composition identity

Solve: sin(sin⁻¹x)

Answer

Step 1: Let y = sin⁻¹x, so sin y = x. Step 2: This identity is valid for x in [-1, 1]. Step 3: Therefore sin(sin⁻¹x) = x for x in [-1, 1]. Answer: x, for x in [-1, 1]

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Frequently Asked Questions

What are the important topics in Inverse Trigonometric Functions for Madhya Pradesh Board Class 12 Mathematics?
Inverse Trigonometric Functions covers several key topics that are frequently asked in Madhya Pradesh Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Inverse Trigonometric Functions — Madhya Pradesh Board Class 12 Mathematics?
Understand the core concepts first, then work through the 105 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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There are 44 flashcards for Inverse Trigonometric Functions covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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