Step by step video & image solution for Prove : (sinA+cosecA)^(2)+(cosA+secA)^(2)=7+tan^(2)A+cot^(2)A. by Maths experts to help you in doubts & scoring excellent marks in Class 10 exams. Updated on:21/07/2023 Class 10MATHSTRIGONOMETRIC RATIOS AND IDENTITIES ...
Prove that :(secA+tanA)(1−sinA)=cosA View Solution Porve that : (cosecA-sinA)(secA-cosA)=1tanA+cotA View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
Given, L.H.S (cotA-cosA)/(cotA+cosA)= ((cosA/sinA)-cosA)/((cosA/sinA)+cosA) = [cosA((1/sinA)-1)]/[cosA((1/sinA)+1)] = (1/sinA-1)/(1/sinA+1) = (cosecA-1)/(cosecA+1) =R.H.S (Proved)