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A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
- Which of the following are true? for some angle theta: sintheta=4
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- Which of the following are true ?for some angle theta: tantheta=5
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- Which of the following are true in the 1st quadrant all trignometric r...
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- If tanA=18/17 and tanB=1/35 prove that tan(A-B)=1
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- If tan(A-B)=1 what is the value of A-B?
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- If tan(A+B)=(tanA+tanB)/(1-tanAtanB) , then by applying the result tan...
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- If tanA+tanB=a and cotA+cotB=b prove that cotA cotB=b/a
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- If tanA+tanB=a and cotA+cotB=b.Prove that cot(A+B)=(1/a)-(1/b)
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- Complete the following and find the value of a1 , a2. . . a7 and b1 , ...
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- Prove that sin120^@ cos330^@ +cos240^@ sin330^@=1
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- Prove that cos420^@ sin390^@+cos(-300^@)sin(450^@)=3/4
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- Prove that sin^2(theta-phi)-sin^2(theta+phi)= -sin2theta sin2phi hence...
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- Given that tan(A+B)=(tanA+tanB)/(1-tanAtanB) by writing A+B+C=(A+B)+C...
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- Given that tan(A+B)=(tanA+tanB)/(1-tanAtanB) if A+B+C=0^@ prove that t...
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- Prove that sin(A+B)sin(A-B)=sin^2A-sin^2B
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- Given that sin18^@=(sqrt5-1)/4 prove thatsin^2 24^@-sin^2 6^@=(sqrt5-1...
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- Express sinA+sin3A and cosA+cos3A in product form
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- Prove that (sinx+sin3x)/(cosx+cos3x)=tan2x
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- If A=30^@ deduce the value of tan60^@
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- Express sintheta+sin3theta and sin5theta+sin7theta in product form
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