square and add both,get cos(θ+φ).....
sinθ+cosφ=1/√2 and cosθ+sinφ=√2/3 then find the value of sin(θ+φ) and tan (θ-φ)/2
-
UP 0 DOWN 0 0 1
sinθ+cosφ=1/√2 and cosθ+sinφ=√2/3 then find the value of sin(θ+φ) and tan (θ-φ)/2