Related InterviewSolutions

• If in `DeltaABC, a = 5, b = 4 and cos (A - B) = 31/32`, thenA. 6B. 7C. 9D. none of these
• If a `DeltaABC, b=2, C=60^(@), c=sqrt(6)`, then a =A. `sqrt(3)-1`B. `sqrt(3)`C. `sqrt(3)+1`D. none of these
• In a `DeltaABC`, if `b=sqrt(3)+1, c=sqrt(3)-1 and A=60^(@)`, then the value of `tan.(B-C)/(2)` isA. `-1`B. `1//2`C. 1D. none of these
• In a `DeltaABC` if a = 2, `b=sqrt(6),c=sqrt(3)+1`, then cos A=A. `30^(@)`B. `45^(@)`C. `60^(@)`D. none of these
• In a `DeltaABC`, if a = 4, b = 3 and `angleA=60^(@)`, then c is a root of the equationA. `c^(2)-3c-7=0`B. `c^(2)+3c+7=0`C. `c^(2)-3c+7=0`D. `c^(2)+3c-7=0`
• In a `DeltaABC`, if a = 5, `B=45^(@)` and `c=2sqrt(2)`, then b=A. `sqrt(3)`B. 6C. `2sqrt(13)`D. `sqrt(13)`
• If the data given to construct a triangle ABC are a = 5, b= 7, sin `A=3//4`, then it is possible to constructA. only one triangleB. two trianglesC. infinitely many trianglesD. no triangles
• In a right triangle ABC, right angled at C, if a = 7 cm and b = `7 sqrt(3)` cm, then `angleA`=A. `30^(@)`B. `60^(@)`C. `45^(@)`D. none of these
• In `Delta ABC , If b/(c^2-a^2)+a/(c^2-b^2)=0` thenA. `(pi)/(2)`B. `(pi)/(4)`C. `(2pi)/(3)`D. `(pi)/(3)`
• In the ambiguous case, if `a, b and A` are given and `c_1, c_2` are the two values of the third `(c_1-c_2)^2 + (c_1+c_2)^2 tan^2 A` is equal toA. 4B. `4a^(2)`C. `4b^(2)`D. `4c^(2)`