Find the principal value of each of the following :
[Formula: cos-1(-x)=π – cos(x) and sin-1(-x)= -sin(x) ]
Putting the values for each of the inverse trigonometric terms
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1
Find the principal value of each of the following :
[Formula: cos-1(-x)=π – cos(x) and sin-1(-x)= -sin(x) ]
Putting the values for each of the inverse trigonometric terms
=
=
=
=