SOLUTION: sin(θ+α)=cosθ how????????????????????????????

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Question 1101963: sin(θ+α)=cosθ how????????????????????????????
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
If alpha%22%22=%22%22pi%2F2 then 

sin%28theta%2Balpha%29%22%22=%22%22sin%28theta%2Bpi%2F2%29%22%22=%22%22sin%28theta%29cos%28pi%2F2%29%2Bcos%28theta%29sin%28pi%2F2%29%22%22=%22%22sin%28theta%29%280%5E%22%22%29%2Bcos%28theta%29%281%5E%22%22%29%22%22=%22%22cos%28theta%29

Edwin