4.
sin 0.cos(90°- )+cos O.sin (90°- 0) =
a) sin 90°
b) cos 90°
c)1
d)0
Answers
Answered by
0
Answer:
sin0 = 0
cos90 = 0
cos0=1
sin (90-0)= cos0
0.0+1.0= 0
option d
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