Answer:
A
Step-by-step explanation:
There isnt enough information given.
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Let a =107° and b=42°;
So cos 107° cos 42° + sin 107° sin 42° = cosa.cos42 + sina.sinb = cos(a-b)
and cos 107° cos 42° + sin 107° sin 42° = cos(107-42) = cos(65°)
Answer:
14
20
18
24
Step-by-step explanation:
36 = 6 x 6
16 = 4 x 4
25 = 5 x 5
All others are not square
<span>323° in radians
= 323 x pi / 180
= 5.6
answer is
</span><span>B. 5.6</span>
