त्रिकोणमितिगणित Teaching Exams State Level Railways SSC

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Question1) Sin(A+B) = SinACosB+CosASinB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question2) Sin(A-B) = SinACosB-CosASinB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question3) Cos(A+B) = CosACosB-SinASinB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question4) Cos(A-B) = CosACosB+SinASinB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question5) tan(A+B) = tanA+tanB/1-tanAtanB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question6) tan(A-B) = tanA-tanB/1+tanAtanB

Option- ['True', 'False']

Answer: True

Explaination: T

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Question7) SinC+SinD = 2Sin(C+D/2) Cos(C-D/2)

Option- ['True', 'False']

Answer: True

Explaination: T

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Question8) SinC-SinD = 2Cos(C+D/2) Sin(C-D/2)

Option- ['True', 'False']

Answer: True

Explaination: T

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Question9) CosC+CosD = 2Cos(C+D/2) Cos(C-D/2

Option- ['True', 'False']

Answer: True

Explaination: T

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Question10) CosC-CosD = -2Sin(C+D/2) Sin(C-D/2)

Option- ['True', 'False']

Answer: True

Explaination: T

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