Chapter 3 – Trigonometric Functions
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Find sin x/2 , cos x/2 and tan x/2 in each of the following : 10. sin x = 4/1, x in quadrant II
24
Oct
Find sin x/2 , cos x/2 and tan x/2 in each of the following : 10. sin x = 4/1, x in quadrant II cos x/2 and tan x/2 in each of the following : 10. sin x = 4/1 Find sin x/2 x in quadrant II October 24, 2021 Category: Chapter 3 - Trigonometric [...]
Find sin x/2 , cos x/2 and tan x/2 in each of the following : 9. cos x = −1/3, x in quadrant III
24
Oct
Find sin x/2 , cos x/2 and tan x/2 in each of the following : 9. cos x = −1/3, x in quadrant III cos x/2 and tan x/2 in each of the following : 9. cos x = −1/3 Find sin x/2 x in quadrant III October 24, 2021 Category: Chapter 3 - Trigonometric [...]
Find sin x/2 , cos x/2 and tan x/2 in each of the following : 8. tan x = −4/3, x in quadrant II
24
Oct
Find sin x/2 , cos x/2 and tan x/2 in each of the following : 8. tan x = −4/3, x in quadrant II cos x/2 and tan x/2 in each of the following : 8. tan x = −4/3 Find sin x/2 x in quadrant II October 24, 2021 Category: Chapter 3 - Trigonometric [...]
Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2
24
Oct
Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Prove that: 6. (sin 7x + sin 5x ) + (sin 9x + sin 3x ) / (cos 7x + cos 5x ) + (cos 9x + cos 3x ) = tan 6
24
Oct
Prove that: 6. (sin 7x + sin 5x ) + (sin 9x + sin 3x ) / (cos 7x + cos 5x ) + (cos 9x + cos 3x ) = tan 6 Prove that: 6. (sin 7x + sin 5x ) + (sin 9x + sin 3x ) / (cos 7x + cos 5x [...]
Prove that: 5. sin x + sin 3x + sin 5x + sin 7x = 4 cos x cos 2x sin 4x
24
Oct
Prove that: 5. sin x + sin 3x + sin 5x + sin 7x = 4 cos x cos 2x sin 4x Prove that: 5. sin x + sin 3x + sin 5x + sin 7x = 4 cos x cos 2x sin 4x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths [...]
Prove that: 4. (cos x – cos y)^2 + (sin x – sin y)^2 = 4 sin^2 x – y/2
24
Oct
Prove that: 4. (cos x – cos y)^2 + (sin x – sin y)^2 = 4 sin^2 x – y/2 Prove that: 4. (cos x – cos y)^2 + (sin x – sin y)^2 = 4 sin^2 x - y/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class [...]
Prove that: 3. (cos x + cos y)^2 + (sin x – sin y)^2 = 4 cos^2 x + y/2
24
Oct
Prove that: 3. (cos x + cos y)^2 + (sin x – sin y)^2 = 4 cos^2 x + y/2 Prove that: 3. (cos x + cos y)^2 + (sin x – sin y)^2 = 4 cos^2 x + y/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class [...]
Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0
24
Oct
Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class [...]
Prove that: 1. 2cos π/13 cos 9π/13 + cos 3π/13 + cos 5π/13 = 0
24
Oct
Prove that: 1. 2cos π/13 cos 9π/13 + cos 3π/13 + cos 5π/13 = 0 Prove that: 1. 2cos π/13 cos 9π/13 + cos 3π/13 + cos 5π/13 = 0 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,