Question

Help dong kaka" yg ganteng yg cntik
1-8 beserta cara
thank you
mohon jawab dngn serius

Answer 1

1.a
2.b
3.c
4.d
5.e
6.a
7.b
8.c

Answer 2

5.cos(2x) = cos²(x) - sin²(x) = 2 cos²(x) - 1 = 1 - 2 sin²(x)

=1-2.(3/5)²
=1-2(9/25)
=1-18/25
=25/25 - 18/25
=7/25

solved ;)