" tan'd A pyrithat? "
" tan'd A pyrithat? "
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If A,B,C,D are the angles of a quadrilateral, then (tan A+tan B+tan C+tan D)/(cot A+cot B+cot C+cot D) is equal to: (a) tan A tan B tan C tan D(b)tan^(2)A+tan^(2)B+tan^(2)C+tan^(2)D(d)sum tan A tan B tan C
(cos(A-B))/(cos(A+B))+cos(C+D)/(cos(C-D))=0 => tan A tan B tan C tan D =
If ( cos (A+B))/( cos (A-B)) =( sin (C+D))/( sin (C -D)) then prove that tan A tan B tan C + tan D=0 ................. A) 0 B) -1 C) sqrt3 D) 1
(cos (AB)) / (cos (A + B)) + (cos (C + D)) / (cos (CD)) = 0rArr tan A tan B tan C tan D =
If cos 2 A sin 2 B= cos 2 C sin 2D , prove that tan (C+A) tan (C-A) tan (B+D)= tan (D-B)
If A+B + C =180^(@), then tan A + tan B + tan C is equal to ................. A) tan A tan B tan C B) 2 tan A tan B tan C C) -tan A tan B tan C D) 1-4 tan A tan B tan C
The value of tan 3A -tan 2A -tan A is equal to (A) tan 3A tan 2A tan A (B)-tan 3A tan 2A tan A (C) tan A tan 2A-tan 2A tan 3A-tan 3A tan A (D) none of these
The value of tan 3A -tan 2A -tan A is equal to....................... (A) tan 3A tan 2A tan A (B) -tan 3A tan 2A tan A (C) tan A tan 2A-tan 2A tan 3A-tan 3A tan A (D) none of these
If (" cos " (A+B))/(" cos " (A-B)) =(" sin " (C+D))/(" sin " (C -D)) , prove that tan A tan B tan C + tan D=0
If cos(A+B) sin (C-D) = cos (A-B) sin (C+D) , then show that tan A tan B tan C + tan D =0