cos(40-theta)-sin(50+theta) is equal to _____
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1
Answer:
0
Step-by-step explanation:
Cos(40-α) - sin(50+α)
According to Identity:
[Cos(α)=Sin(90-α)]
Converting Cos to Sin
Sin(90-(40-α))- Sin(50+α)
Sin(90-40+α)- Sin(50+α)
Sin(50+α)- Sin(50+α)
= 0
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Answer:
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