Question

(c) If
X=15°, evaluate:8 sin 2x cos 4x sin 6x
​

Answer 1

Answer:

= 8sin 2(15) .cos 4(15) .sin 6(15)

= 8 sin 30 .cos 60 .sin 90

= 8(1\2) .(1\2) .(1)

=(4)(1\2)(1)

=2