1.

If 3costheta-sintheta=(1)/(sqrt(2)),(0^(@)ltthetalt90^(@)), then the value of 3sintheta+2costheta.

Answer»

a) `(1)/(sqrt(2))`
B) `sqrt(2)`
c) `(3)/(sqrt(2))`
d) `(5)/(sqrt(2))`

ANSWER :B


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