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Example 18 Find the principal solutions of the equation sin x = root 3/2 .
22
Oct
Example 18 Find the principal solutions of the equation sin x = root 3/2 . Example 18 Find the principal solutions of the equation sin x = root 3/2 . October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 17 Prove that sin 5x – 2sin 3x + sin x / cos 5x – cos x = tan x
22
Oct
Example 17 Prove that sin 5x – 2sin 3x + sin x / cos 5x – cos x = tan x Example 17 Prove that sin 5x - 2sin 3x + sin x / cos 5x - cos x = tan x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT [...]
Example 16 Prove that cos 7x + cos 5x / sin 7x – sin 5x = cot x
22
Oct
Example 16 Prove that cos 7x + cos 5x / sin 7x – sin 5x = cot x Example 16 Prove that cos 7x + cos 5x / sin 7x – sin 5x = cot x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 15 Prove that cos( π/4+ x) + cos(π/4 – x) = root 2 cos
22
Oct
Example 15 Prove that cos( π/4+ x) + cos(π/4 – x) = root 2 cos Example 15 Prove that cos( π/4+ x) + cos(π/4 - x) = root 2 cos October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 14 Show that tan 3 x tan 2 x tan x = tan 3x – tan 2 x – tan x
22
Oct
Example 14 Show that tan 3 x tan 2 x tan x = tan 3x – tan 2 x – tan x Example 14 Show that tan 3 x tan 2 x tan x = tan 3x – tan 2 x – tan x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths [...]
Example 13 Prove that sin ( x + y) / sin ( x – y) = tan x + tan y / tan x – tan y
22
Oct
Example 13 Prove that sin ( x + y) / sin ( x – y) = tan x + tan y / tan x – tan y Example 13 Prove that sin ( x + y) / sin ( x - y) = tan x + tan y / tan x - tan y October [...]
Example 12 Find the value of tan 13π/12 .
22
Oct
Example 12 Find the value of tan 13π/12 . Example 12 Find the value of tan 13π/12 . October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 11 Find the value of sin 15°.
22
Oct
Example 11 Find the value of sin 15°. Example 11 Find the value of sin 15°. October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 10 Prove that 3sin π /6 sec π /3 – 4sin 5π /6 cot π /4 = 1
22
Oct
Example 10 Prove that 3sin π /6 sec π /3 – 4sin 5π /6 cot π /4 = 1 Example 10 Prove that 3sin π /6 sec π /3 - 4sin 5π /6 cot π /4 = 1 October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Example 9 Find the value of cos (–1710°)
22
Oct
Example 9 Find the value of cos (–1710°) Example 9 Find the value of cos (–1710°) October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,