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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MASTERING THE BEST - ALL TOPICS
- 8.sin(x/8). cos (x/2).cos (x/4).cos (x/8)=
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- tan theta + sec theta = sqrt(3)
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- If sinA + sin B + sin C=3, then: cos A + cos B + cos C=
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- sec 2x - tan 2x=
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- If, in a triangleABC, tanA =1 and tanB=2, then: tanC=
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- If tan A - tan B =x and cot B - cot A=y, then: cot(A-B)=
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- If cot^(-1)x + cot^(-1)y = tan^(-1)c, then: x+y=
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- sin^(2) 75^(@) - sin^(2)15^(@)=
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- If triangleABC is a right angled at A, then: cos^(2)B + cos^(2)C=
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- sin^(6)A + cos^(6)A + 3sin^(2)A.cos^(2)A=
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- If cos(A-B) = 3/5 and tanA.tanB=2, then
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- If ABCD is a cyclic quadrilateral, then the value of cosA-cosB+cosC-co...
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- If sin alpha/2 + cos alpha/2=1.4, then: sin alpha cos alpha=
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- If tan alpha + cot alpha =m, then: tan^(4)alpha +cot^(4)alpha=
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- If cos theta+cos phi=a and sin theta - sin phi=b, then: 2cos(theta + p...
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- If sin x + "cosec"x=2, then, for all n in N, the value of: sin^(n)x + ...
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- If sin^(-1)x= theta +phi and sin^(-1)y = theta - phi, then: 1+xy=
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- If tan^(-1)(a/x) + tan^(-1)(b/x) =pi/2, then: x=
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- If two angles of a triangle are cot^(-1)2 and cot^(-1)3, then the thir...
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- sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=
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