sin (45 + θ) - cos(45 - θ) = ? (a) 2 sinθ (b) 2 cosθ (c) 0 (d) 1
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4
the answer is option c....
vasanti6:
You are sure na.. bcoz tomorrow is my exam
yes it is 100percent correct
hmm.. thanks a lot dear
ur welcome
Answered by
2
Answer:
Answer is 0
Step-by-step explanation:
Lets take theta as a
Then
Sin(45+A)-Cos(45-A)
As Cos A = Sin(90-A)
Therefore
Sin(45+A)-Sin(90-(45-A))
Sin(45+A)-Sin(45+A)
0
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