Ex 3.2
Ex 3.2, 2 (i)
Ex 3.2, 2 (ii) Important
Ex 3.2, 2 (iii)
Ex 3.2, 2 (iv)
Ex 3.2, 3 (i)
Ex 3.2, 3 (ii) Important
Ex 3.2, 3 (iii)
Ex 3.2, 3 (iv) Important
Ex 3.2, 3 (v)
Ex 3.2, 3 (vi) Important
Ex 3.2, 4
Ex 3.2, 5
Ex 3.2, 6 You are here
Ex 3.2, 7 (i)
Ex 3.2, 7 (ii) Important
Ex 3.2, 8
Ex 3.2, 9
Ex 3.2, 10
Ex 3.2, 11
Ex 3.2, 12 Important
Ex 3.2, 13 Important
Ex 3.2, 14
Ex 3.2, 15
Ex 3.2, 16 Important
Ex 3.2, 17 Important
Ex 3.2, 18
Ex 3.2, 19 Important
Ex 3.2, 20 Important
Ex 3.2, 21 (MCQ) Important
Ex 3.2, 22 (MCQ) Important
Last updated at May 29, 2018 by Teachoo
Ex 3.2, 6 Simplify cos [ 8(cos &sin @ sin &cos )] + sin [ 8(sin & cos @cos &sin )] cos [ 8(cos &sin @ sin &cos )] + sin [ 8(sin & cos @cos &sin )] = [ 8("cos " ("cos " )&cos (sin )@cos ( )&cos (cos ))] + [ 8(sin (sin )&sin ( "cos " ) @sin ("cos " )&sin (sin ))] = [ 8(cos2 &cos sin @ cos sin &cos2 )] + [ 8(sin2 & cos sin @sin cos &sin2 )] = [ 8(cos2 +sin2 &sin cos cos sin @ cos sin +sin cos &cos2 +sin2 )] = [ 8(cos2 +sin2 &0@0&cos2 +sin2 )] = [ 8(1&0@0&1)]