OLUN
Simplity each of the following expressions.
sin 20 cos pcos 20 sin 0
cos p cos 70 -s...
Mathematics, 31.10.2020 21:20 sIatt
OLUN
Simplity each of the following expressions.
sin 20 cos pcos 20 sin 0
cos p cos 70 -sin o sin 70
(i) sin 120° cos 60° + cos 120° sin 60°
(iv) cos O cos 0 -sin O sin 0
Evaluate the following without using calculator
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