solve the equation 2cos(x+ 7π/4)=√3 giving the exact solution which lie in [0,2π)
solve the equation 2cos(x+ 7π/4)=√3 giving the exact solution which lie in [0,2π)
Divide by 2.
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2cosX+ 4 3 V3 7л cos X+ 4 2
Take cos inverse. For cos^-1(sqrt(3)/2) too...
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3 7л cos X+ 4 2 3 7л x+ cos 4 2 л 11л 13л 23л 6 7 x X+ 4 6 6 6
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