can anyone help me with this problem
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Given A=15
Cos3A-2cos4A/sin3A+2sin4A
Cos3(15)-2cos4(15)/sin3(15)+ 2sin60
1/root2 - 2(1/2)/ 1/root2+2(root3/2
Cos3A-2cos4A/sin3A+2sin4A
Cos3(15)-2cos4(15)/sin3(15)+ 2sin60
1/root2 - 2(1/2)/ 1/root2+2(root3/2
narramokshitha:
Sorry last step is
1/root2+1/1/root2+root3
ok
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