If : a = 9, b = 8 and c = x satisfies 3...

If : `a = 9, b = 8 and c = x` satisfies 3 cos C = 2, then : x =

`x=5`

`x=6`

`x=4`

`x=7`

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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise For Sesssion 1

In the given figure,if AB= AC, angle BAD=30^(@)and AE=AD, then x is eq...
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In DeltaABC, a=4, b =12 and B=60^(@), thn the vlaue of sin A is
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Let ABC be a triangle such that angle A =45^(@) , angle B =75^(@), the...
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If the angles A, B, C of DeltaABC are in A.P. and b:c=sqrt(3):sqrt(2),...
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If cot ""A/2 =(b+c)/(a),then DeltaABC is
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In any triangle. if(a^2-b^2)/(a^2+b^2)=("sin"(A-B))/("sin"(A+B)) , the...
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In any triangle A B C , prove that: (a^2sin(B-C))/(sinB+sin C)+(b^2sin...
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In any DeltaABC, is 2 cos B=a/c, then the triangle is
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Prove that sin^2(pi/4) + cos^2(pi/6) - tan^2(pi/4) = 1/4
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If a cos A =b cos B, then the triange is
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In Delta ABC, (a + b+ c) (b + c -a) = kbc if
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If : a = 9, b = 8 and c = x satisfies 3 cos C = 2, then : x =
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In DeltaABC, if sin^2 A+ sin^2 B = sin^2 C, then the triangle is
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The lengths of the sides of a triangle are alpha-beta, alpha+beta and ...
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In any triangle A B C , prove that: (1+cos(A-B)cos C)/(1+cos(A-C)cos B...
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If the sides of a triangle ABC are in AP and 'a' is the smallest side,...
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In a DeltaABC, a ^(2) cos 2B+b^(2) cos 2A+2ab cos (A-B) is equal to?
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In any DeltaABC, 2 [bc cos A + ca cos B+ ab cos C]=
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In a DeltaABC, tan ""1/2 (A+B) . Cot""1/2(A-B) is equal to ?
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If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is
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