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  Solve the equation cos 4θ+sin5θ=2. (cos4θ=1....and sin5θ=1...using this i got θ= nπ/2 and θ= nπ/5 +(-1)n π/10 ....how should i proceed further??) ...
  0·0· #Mathematics#Trignometry
  asked2012-07-22 02:23:41