1.

118 होगा :-2 0 0 1(d) - 1sin60" c0s30sin30. c0s60"on का मान होगा :-(a) 1(b) 0(c) - 1(d) ॐDDD DE10 sin 450 होगा1

Answer»

bhai nahi pata khud hi kar le

b option is right

because sin 60 = √3/2sin 30 =1/2cos 30= √3/2

cos 60= 1/2put these values in this

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