Hey. The question is find the value of R and the value of A. sinx+ 2cosx = Rcos(x-A) i can find R which is square root of 5, but i keep getting 1.11 for A and the answer is 0,46 (radians) can anyone help?
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Hello Oasis1993 Originally Posted by Oasis1993 Hey. The question is find the value of R and the value of A. sinx+ 2cosx = Rcos(x-A) i can find R which is square root of 5, but i keep getting 1.11 for A and the answer is 0,46 (radians) can anyone help? Grandad
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