Maths
1. Find the radian measures corresponding to the following degree measures: (iii) 240° (iv) 520°
22
Oct
1. Find the radian measures corresponding to the following degree measures: (iii) 240° (iv) 520° 1. Find the radian measures corresponding to the following degree measures: (iii) 240° (iv) 520° October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
1. Find the radian measures corresponding to the following degree measures: (i) 25° (ii) – 47°30′
22
Oct
1. Find the radian measures corresponding to the following degree measures: (i) 25° (ii) – 47°30′ 1. Find the radian measures corresponding to the following degree measures: (i) 25° (ii) – 47°30′ October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 29 Prove that cos^2 x + cos^2 (x + π/3) + cos^2 ( x – π/3) = 3/2
22
Oct
Example 29 Prove that cos^2 x + cos^2 (x + π/3) + cos^2 ( x – π/3) = 3/2 Example 29 Prove that cos^2 x + cos^2 (x + π/3) + cos^2 ( x - π/3) = 3/2 October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 28 If tan = 3/4, π < x< 3π/2 , find the value of sin x/2, cos x/2 and tan x/2 .
22
Oct
Example 28 If tan = 3/4, π
Example 27 Find the value of tan π/8 .
22
Oct
Example 27 Find the value of tan π/8 . Example 27 Find the value of tan π/8 . October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 26 Prove that cos 2x cos x/2 – cos 3x cos 9x/2 = sin 5x sin 5x/2.
22
Oct
Example 26 Prove that cos 2x cos x/2 – cos 3x cos 9x/2 = sin 5x sin 5x/2. Example 26 Prove that cos 2x cos x/2 - cos 3x cos 9x/2 = sin 5x sin 5x/2. October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 25 If sin x = 3/5 , cos y = − 12/13 , where x and y both lie in second quadrant, find the value of sin (x + y).
22
Oct
Example 25 If sin x = 3/5 , cos y = − 12/13 , where x and y both lie in second quadrant, find the value of sin (x + y). cos y = − 12/13 Example 25 If sin x = 3/5 find the value of sin (x + y). where x and y [...]
Example 24 Solve 2 cos^2 x + 3 sin x = 0
22
Oct
Example 24 Solve 2 cos^2 x + 3 sin x = 0 Example 24 Solve 2 cos^2 x + 3 sin x = 0 October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 23 Solve sin 2x – sin 4x + sin 6x = 0
22
Oct
Example 23 Solve sin 2x – sin 4x + sin 6x = 0 Example 23 Solve sin 2x – sin 4x + sin 6x = 0 October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 22 Solve tan^2 x = – cot (x + π/3)
22
Oct
Example 22 Solve tan^2 x = – cot (x + π/3) Example 22 Solve tan^2 x = - cot (x + π/3) October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,