Find x if cos 3x + sin( 2x-7pi/6 )=2
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Find the LCM of the following numbers by listing multiples 12,16. 15,20. 7,8. 3,4and6. 5,7and 10 Find the PCM of the following by prime factorisation method :-24,60. 10,12,18. 12,48,60. 18,20,30,. 9,15,18,20 Find the
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x=(2n+1)π/3
inserting values of n=0,1,2,3,4......
we get
x=π/3,π,5π/3,7π/3.....→(1)
and in 2x=2nπ-π/2+7π/6
inserting values of n =0,1,2,3,4...
we get ,
x=π/3,4π/3,7π/3,10π/3.....→(2)
in equation 1 and 2 the common terms are
π/3,7π/3,13π/3......
which is of the form π/3(6k+1)
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