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Prove that: cos A / (1+sin A) + ( 1+sinA) / cosA = 2sec A Class 10 Ex 8.3 Q4 (ii) | Trigonometry
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Maths Class 10
Introduction to Trigonometry
Chapter -8
Exercise-8.4, Q.No.-5(ii)
Prove the following identities, where the angles involved are acute angles for which the
expressions are defined.
cos A / (1+sin A) + ( 1+sinA) / cosA = 2sec A
🔶We have covered NCERT Book, NCERT Exemplar Questions, RD Sharma Questions, RD Sharma Examples, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Sample Papers, Important Questions from different Board Papers, AMU - Entrance Papers, Extra questions,wq HOTS from Every chapter
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Extra Questions (Most Important Questions)
Chapter lol 1: Real Numbers
Chapter 2: Polynomials
Chapter 3: Pair of linear Equations in Two Variables
Chapter 4: Quadratic Equations
Chapter 5: Arithmetic Progression
Chapter 6: Triangles
Chapter 7: Coordinate Geometry
Chapter 8: Introduction to Trigonometry
Chapter 9: Some Applications of Trigonometry
Chapter 10: Circles
Chapter 11: Constructions
Chapter 12: Area Related to Circles
Chapter 13: Surface Areas and Volumes
Chapter 14: Statistics
Chapter-15: Probability
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YOUR QUERIES :
What are Trigonometric Ratios
Different types of Trigonometric Ratios
Trignometric Identities
Sin2 theta + Cos2 theta =1
1 - sin2 Thera = Cos2 theta
1- cos2 theta = sin2 theta
1+ tan2 theta = Sec2 theta
Sec2 theta - tan2 thetaqq = 1
Sec2 theta - 1 = tan2 theta
1+ cot2 theta = cosec2 theta
Cosec2 theta - cot2 theta = 1
Cosec2 theta - 1 = cot2 theta
Sun (90-theta) = cos theta
Cos (90- theta) = sin theta
Tan (90- theta) = cot theta
Cot (90-theta) = tan theta
Sec (90 - theta) cosec theta
Cosec (90 - theta) = sec theta
Sin theta / cos theta = tan theta
Cos theta / sin theta = cot theta
How to find the value of theta
Introduction to Trigonometry
Chapter -8
Exercise-8.4, Q.No.-5(ii)
Prove the following identities, where the angles involved are acute angles for which the
expressions are defined.
cos A / (1+sin A) + ( 1+sinA) / cosA = 2sec A
🔶We have covered NCERT Book, NCERT Exemplar Questions, RD Sharma Questions, RD Sharma Examples, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Sample Papers, Important Questions from different Board Papers, AMU - Entrance Papers, Extra questions,wq HOTS from Every chapter
🔶Visit our Playlists-
W
Extra Questions (Most Important Questions)
Chapter lol 1: Real Numbers
Chapter 2: Polynomials
Chapter 3: Pair of linear Equations in Two Variables
Chapter 4: Quadratic Equations
Chapter 5: Arithmetic Progression
Chapter 6: Triangles
Chapter 7: Coordinate Geometry
Chapter 8: Introduction to Trigonometry
Chapter 9: Some Applications of Trigonometry
Chapter 10: Circles
Chapter 11: Constructions
Chapter 12: Area Related to Circles
Chapter 13: Surface Areas and Volumes
Chapter 14: Statistics
Chapter-15: Probability
**** If you want you can Support us through
PhonePe Number : 8273007746 ****
Deepak Rajoria
◾Focus Classes
#FocusClasses, #DeepakRajoria,
#Trigonometry, #MathsChapter8, #mathsclass8workbookworksheet #NCERTMaths, #Class10Maths
#TrigonometryClass10, #NCERT, #CBSE
Follow Us on:
Oqq
YOUR QUERIES :
What are Trigonometric Ratios
Different types of Trigonometric Ratios
Trignometric Identities
Sin2 theta + Cos2 theta =1
1 - sin2 Thera = Cos2 theta
1- cos2 theta = sin2 theta
1+ tan2 theta = Sec2 theta
Sec2 theta - tan2 thetaqq = 1
Sec2 theta - 1 = tan2 theta
1+ cot2 theta = cosec2 theta
Cosec2 theta - cot2 theta = 1
Cosec2 theta - 1 = cot2 theta
Sun (90-theta) = cos theta
Cos (90- theta) = sin theta
Tan (90- theta) = cot theta
Cot (90-theta) = tan theta
Sec (90 - theta) cosec theta
Cosec (90 - theta) = sec theta
Sin theta / cos theta = tan theta
Cos theta / sin theta = cot theta
How to find the value of theta
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