Original post by fmkch03
Hey guys! Can someone solve this question for me?
Given that sin(x - 60) = 3cos (x - 45), find the exact value of tan x
Given that sin(x - 60) = 3cos (x - 45), find the exact value of tan x
Original post by Plücker
Could you tell me the necessary steps to solve this question?
Original post by fmkch03
Could you tell me the necessary steps to solve this question?
Use sin(A-B)=sinAcosB - cosAsinB to write an expression for sin(x-60). Post what you get.
Original post by fmkch03
Could you tell me the necessary steps to solve this question?
CAn you use the rules given above to expand sin(x - 60) and cos(x - 45)? Remember that sin 60, cos 60, sin 45 and cos 45 are standard values that you should know.
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