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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE-MCQs
- If A+B+C=pi, show that : tanA+tanB+tanC=tanA.tanB.tanC Hence. Deduce t...
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- sin10 5^(@)+cos10 5^(@)=
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- sin((pi)/(3)+A).cos((pi)/(3)+B)-cos((pi)/(3)+A).sin((pi)/(3)+B)=...
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- If 0 ltA lt(pi//2)and0 ltB lt(pi//2), then angle (A-B) lies in…….. Qua...
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- If 0 ltA lt(pi//2)and0 ltB lt(pi//2), then angle (A-B) lies in…….. Qua...
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- If sinA=3//5 andcosB=9//41, where A,B are both in the first quadrant, ...
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- If sinalpha=15//17, (pi//2) ltalpha ltpi and secbeta=13//12, (3pi//2)...
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- If tanalpha=3//4 ,alpha in third quadrant, and cosbeta=9//41,beta, in ...
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- If sintheta=1//2,cosphi=12//13, where theta lies in the second quadran...
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- For any angles A and B, sin(A+B). sin(A-B)=......
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- For any angles A and B, cos(A+B).cos(A-B)=…..
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- 1+tanA.tan(A//2)=…..
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- ( tan3A + tanA)/(tan3A -tan A)=..
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- For any angles A,B,C. (sin(A-B))/(cosA.cosB)+(sin(B-C))/(cosB.cosC)+(s...
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- sinx+cosx=sqrt2.sin(....)
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- cosx-sinx=sqrt2.cos(....)
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- tan20^@+tan25^@+tan20^@.tan25^@=....
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- tan4 0^@+2tan1 0^@ is equal to
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- If A+B=45^@ then (1+tanA)(1+tanB)=
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- If 2sin(x+60^@)=cos(x-30^@), then : tan=…..
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- tan(45^(@)+A)tan(45^(@)-A)=
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