Chapter 3 – Trigonometric Functions
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Prove the following: 24. cos 4x = 1 – 8sin^2 x cos^2 x
24
Oct
Prove the following: 24. cos 4x = 1 – 8sin^2 x cos^2 x Prove the following: 24. cos 4x = 1 – 8sin^2 x cos^2 x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 23. tan 4x = 4tanx (1-tan^2x) / 1-6 tan^2 x + tan^4 x
24
Oct
Prove the following: 23. tan 4x = 4tanx (1-tan^2x) / 1-6 tan^2 x + tan^4 x Prove the following: 23. tan 4x = 4tanx (1-tan^2x) / 1-6 tan^2 x + tan^4 x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 22. cot x cot 2x – cot 2x cot 3x – cot 3x cot x = 1
24
Oct
Prove the following: 22. cot x cot 2x – cot 2x cot 3x – cot 3x cot x = 1 Prove the following: 22. cot x cot 2x – cot 2x cot 3x – cot 3x cot x = 1 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class [...]
Prove the following: cos 4x + cos 3x + cos 2x / sin 4x +sin 3x + sin 2x = cot 3x
24
Oct
Prove the following: cos 4x + cos 3x + cos 2x / sin 4x +sin 3x + sin 2x = cot 3x Prove the following: cos 4x + cos 3x + cos 2x / sin 4x +sin 3x + sin 2x = cot 3x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths [...]
20. Prove the following: sin x – sin 3x / sin^2x – cos^2x = 2 sin x
24
Oct
20. Prove the following: sin x – sin 3x / sin^2x – cos^2x = 2 sin x 20. Prove the following: sin x - sin 3x / sin^2x - cos^2x = 2 sin x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 19. sin x + sin 3x / cos x + cos 3x = tan 2x
24
Oct
Prove the following: 19. sin x + sin 3x / cos x + cos 3x = tan 2x Prove the following: 19. sin x + sin 3x / cos x + cos 3x = tan 2x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 18. sin x – sin y / cos x + cos y = tan x-y/2
24
Oct
Prove the following: 18. sin x – sin y / cos x + cos y = tan x-y/2 Prove the following: 18. sin x - sin y / cos x + cos y = tan x-y/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 16. sin5x + sin3x / cos5x + cos3x = tan 4x
22
Oct
Prove the following: 16. sin5x + sin3x / cos5x + cos3x = tan 4x Prove the following: 16. sin5x + sin3x / cos5x + cos3x = tan 4x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 16. cos9x – cos5x / sin17x – sin3x = – sin2x/ cos10x
22
Oct
Prove the following: 16. cos9x – cos5x / sin17x – sin3x = – sin2x/ cos10x Prove the following: 16. cos9x - cos5x / sin17x - sin3x = - sin2x/ cos10x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove the following: 15. cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x)
22
Oct
Prove the following: 15. cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x) Prove the following: 15. cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x) October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,