[" Firferfact "f(x-pi)=(pi)/(8):],[[" (a) "pi(36)/(100)," (ii) "(1)/(11)],[" (ii) "(3)/(13)," (v) "(2)/(11)],[" (ii) "(3)/(13)," (v) "(2)/(11)]],[" (ii) "(1)/(13)]

Simplify: 1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3))) . (11)/(13) (b) (13)/(15) (c) (13)/(11) (d) (15)/(13)

Write the additive inverse of : (i) (3)/(8) (ii) (-8)/(15) (iii) (4)/(-13) (v) (-6)/(-11)

Write the following in decimal form and say what kind of decimal expansion each has: (i) (36)/(100) (ii) (1)/(11) (iii) 4(1)/(8) (iv) (3)/(13) (v) (2)/(11) (vi) (329)/(400)

Multiply: (9)/(-7)by(36)/(-11) (ii) (-11)/(13)by(-21)/(7)

Multiply: 9/(-7)b y(36)/(-11) (ii) (-11)/(13)b y(-21)/7

Evaluate : (i) (3)/(4)-(4)/(5) (ii) -3-(4)/(7) (iii) (7)/(24)-(19)/(36) (iv) (14)/(15)-(13)/(20) (v) (4)/(9)-(2)/(-3) (vi) (7)/(11)- (-4)/(-11) (vii) (-5)/(14) -(-2)/(7) (viii) (-5)/(-8)-(-3)/(4)

Write the following in decimal form and say what kind of decimal expansion each has : (i) (36)/(100) (ii) 1/(11) (iii) 4 1/(11) (iv) 3/(13) (v) 2/(11) (iv) (329)/(400)

Write the following in decimal form and say what kind of decimal expansion each has :(i) (36)/(100) (ii) 1/(11) (iii) 4 1/(11) (iv) 3/(13) (v) 2/(11) (iv) (329)/(400)

cos ((pi) / (11)) cos (2 (pi) / (11)) cos (3 (pi) / (11)) cos (4 (pi) / (11)) cos (5 (pi) / (11))