1.

印/江btens+ sino:m, and tons-sree n.smo

Answer»

Solution:-m = tanA+sinAn = tanA-sinAL.H.S. = {(tanA + sinA)² - (tanA-sinA)²}{tan²A + sin²A + 2tanAsinA - (tan²A + sin²A - 2tanAsinA)}²⇒ = (4tanAsinA)²16tan²Asin²A16tan²A(1 - cos²A)16tan²A - tan²Acos²A16tan²A - sin²A/cos²A× cos²A16tan²A - sin²A16(tan²A + sin²A) (tan²A - sin²A)= 16 mn R.H.S. = L.H.S. proved



Discussion

No Comment Found