6. Prove that: \(\frac{\left(sin{7}x+sin{5}x\right)+\left(sin{9}x+sin{3}x\right)}{\left(cos{7}x+cos{5}x\right)+\left(cos{9}x+cos{3}x\right)}=tan{6}x\).

Trigonometric Functions

Miscellaneous Exercise

ncert-solutions-class-11-chapter-2-trigonometric-functions-miscellaneous-exercise-question-6