Class 12th maths notes chapter 2 Inverse trigonometric function miscellaneous

MP Board Class 12th Maths Solutions Chapter 2 Inverse trigonometric function miscellaneous questionnaire [प्रतिलोम त्रिकोणमितीय फलन विविध प्रश्नावली]

इस लेख में, हमने MP board class 12th maths book solution chapter 2 Inverse trigonometric function pdf साझा की हैं, ये हल 12वीं गणित के छात्रों के लिए अति महत्वपूर्ण है। ये समाधान नवीनतम एमपी बोर्ड पुस्तकों के विषय विशेषज्ञों द्वारा हल किए गए हैं।

MP Board Class 12th Maths Solutions Chapter 2 प्रतिलोम त्रिकोणमितीय फलन विविध प्रश्नावली

यहाँ पर 12वीं गणित अध्याय 2 प्रतिलोम त्रिकोणमितीय फलन का अभ्यास विविध प्रश्नावली का हल प्रस्तुत कर रहे हैं। जो कि आगे आने वाली अभ्यासों का आधार बनायेगा। आइये शुरू करते हैं। 

निम्नलिखित के मान ज्ञात कीजिए-


प्रश्न 1.
cos-1(cos13π6)
हल:
माना y = cos-1(cos13π6)
cos-1 की मुख्य मान शाखा का परिसर [0, π] है।

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प्रश्न 2.
tan-1(tan7π6)
हल:
माना y = tan-1(tan7π6)
tan-1 की मुख्य मान शाखा का परिसर (π2,π2) है।

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प्रश्न 3.
सिद्ध कीजिए-
2 sin-135 = tan-1 247
हल: 

MP Board Class 12th Maths Solutions Chapter 2 प्रतिलोम त्रिकोणमितीय फलन 12th MP Board Maths solution Book PDF MP Board Class 12 Maths solution PDF Shivlal 12th Maths solution Pdf Shivlal Class 12 Maths Solutions Navbodh 12th Maths Solution in Hindi MP Board 12th Maths Syllabus 2020 Nutan Mathematics 12th Solution MP Board Pdf MP Board solution Class 12 MP Board 12th Accountancy Book Solutions MP Board 12th Accountancy Book Solutions 2019 Nutan Class 12 Maths Solutions Pdf Class 12 Maths NCERT Solutions

प्रश्न 4.
सिद्ध कीजिए
sin-1817 + sin-135 = tan-17736
हल:
यहाँ sin-1817 + sin-135 = tan-17736

MP Board Class 12th Maths Solutions Chapter 2 प्रतिलोम त्रिकोणमितीय फलन 12th MP Board Maths solution Book PDF MP Board Class 12 Maths solution PDF Shivlal 12th Maths solution Pdf Shivlal Class 12 Maths Solutions Navbodh 12th Maths Solution in Hindi MP Board 12th Maths Syllabus 2020 Nutan Mathematics 12th Solution MP Board Pdf MP Board solution Class 12 MP Board 12th Accountancy Book Solutions MP Board 12th Accountancy Book Solutions 2019 Nutan Class 12 Maths Solutions Pdf Class 12 Maths NCERT Solutions

प्रश्न 5.
सिद्ध कीजिए-
cos-145 + cos-11213 = cos-13365
हल:
cos-145 + cos-11213 = cos-13365

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प्रश्न 6.
सिद्ध कीजिए-
cos-11213 + sin-135 = sin-15665
हल:
cos-11213 + sin-135 = sin-15665

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प्रश्न 7.
सिद्ध कीजिए-
tan-16316 = sin-1513 + cos-135
हल:
R.H.S. = sin-1513 + cos-135

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प्रश्न 8.
सिद्ध कीजिए-
tan-115 + tan-117 + tan-113 + tan-118 = π4
हल:
L.H.S.
(tan-115 + tan-117) + (tan-113 + tan-118)

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सिद्ध कीजिए
प्रश्न 9.
tan-1x = 12 cos-1(1x1+x), x ϵ [0, 1]
हल:
माना x = tan2θ ⇒ θ = tan-1x

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प्रश्न 10.

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MP Board Class 12th Maths Solutions Chapter 2 प्रतिलोम त्रिकोणमितीय फलन 12th MP Board Maths solution Book PDF MP Board Class 12 Maths solution PDF Shivlal 12th Maths solution Pdf Shivlal Class 12 Maths Solutions Navbodh 12th Maths Solution in Hindi MP Board 12th Maths Syllabus 2020 Nutan Mathematics 12th Solution MP Board Pdf MP Board solution Class 12 MP Board 12th Accountancy Book Solutions MP Board 12th Accountancy Book Solutions 2019 Nutan Class 12 Maths Solutions Pdf Class 12 Maths NCERT Solutions

प्रश्न 16.
यदि sin-1(1 – x) – 2 sin-1 x = π2, तो x का मान बराबर है-
(A) 0, 12
(B) 1, 12
(C) 0
(D) 12
हल:
sin-1(1 – x) – 2sin-1 x = π2
हम जानते हैं, π2 = sin-1(1 – x) + cos-1(1 – x)
∴ sin-1 (1 – x) – 2sin-1 x = sin-1 (1 – x) + cos-1 (1 – x)
⇒ -2sin-1 x = cos-1 (1 – x) … (1)
माना sin-1x = θ
∴ x = sin θ
∴ cos 2θ = 1 – 2sin2 θ = 1 – 2x2
cos (-2θ) = 1 – 2x2
-2θ = cos-1 (1 – 2x2)
-2sin-1 x = cos-1 (1 – 2x2) …(2)
समीकरण (1) व (2) से,
cos-1(1 – 2x2) = cos-1 (1 – x)
1 – 2x2 = 1 – x
x2 – 2x2 = 0
x(1 – 2x2) = 0 = x = 0, x = 12
x = 12 समीकरण को सन्तुष्ट नहीं करता है।
∴ x = 0
अतः विकल्प (C) सही है।

See also  Class 12th maths notes chapter 3 Matrix Ex 3.3

प्रश्न 17.
tan-1(xy) – tan-1xyx+y का मान है-

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MP Board Class 12th Maths Solutions Chapter 2 प्रतिलोम त्रिकोणमितीय फलन 12th MP Board Maths solution Book PDF MP Board Class 12 Maths solution PDF Shivlal 12th Maths solution Pdf Shivlal Class 12 Maths Solutions Navbodh 12th Maths Solution in Hindi MP Board 12th Maths Syllabus 2020 Nutan Mathematics 12th Solution MP Board Pdf MP Board solution Class 12 MP Board 12th Accountancy Book Solutions MP Board 12th Accountancy Book Solutions 2019 Nutan Class 12 Maths Solutions Pdf Class 12 Maths NCERT Solutions

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