Grade 12TrigonometryIf sinθ + cosθ = 1, then find the general value of θ. Sudheesh Singanamalla 15 Years agoGrade 12
Sukhendra Reddy Rompally B.Tech Mining Machinery Engg, ISM DhanbadApproved Tutor Answer15 Years agoHello Sudheesh!! Squaring on both sides,you get sin^2x + 2sinxcosx + cos^2x = 1 which gives 1 + 2sinxcosx = 1 {since sin^2x +cos^2x = 1 for all x} which means,2sinxcosx =0 which means either sinx =0 or cosx=0 so,the general solution is that for sinx=0 union cosx=0 ALL THE BEST PLZZZ APPROVE MY ANSWER IF U LIKE IT