Question should be sin 20 cos 10 + cos 20 sin 10
remember sin (a+b) = sin a cos b + cos a sin b ?
sin 20 cos 10 + cos 20 sin 10
= sin (20+10)
= sin 30
= 1/2
Answer:
I think that the answer is 5
Answer:
C
Step-by-step explanation:
Answer:
Can you write in English?
Answer:
Step-by-step explanation:
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