COMPOUND ANGL cos 90 0 A cos9 sin 905 order is sin90 cos21 sin21 cos21 sin 21 and C tan 20 tan 40 V3 tan 20 tan 40 then descen 1) A, , 2) , , 3) , , 4) , , 1 If tan(n cos 0) cot(t sin 0) 0 0 2 then sin 0 4 1 1 2) 1) 3) 2 2 4) 2 2 2 If cos(0 a) a,cos(0 B) b, then sin (a B) 2abcos(0 B) D 1) a b 2) a b2 3) b a 4) a 62 3 In any triangle ABC, sin A sin B sin C is always equal to 1) 2 sin A sin BcosC 2) 2 sin A cos B sin C 3) 2 sin A cos B cosC 4) 2 sin Asin Bsin C 4 If cos A cos B cos C 1, then AABC is 1) equilateral 2) isosceles 3) right angled 4) right angled isosce 5 If 2 sec 20 tan o cot d, then one of the valucs of 0 is 1) T 2 2) 4 3) t 3 4) 6 6 Match the following List I List II 1) cot 0 cot a) 0 2) sin(45 0) cos(45 0) b) tan 56 cos 11 sin11 3) cos 11 sin11 c) 4) sin 75 sin 15 d) 1 1) 1 d, 2 a, 3 b,4 c 2) 1 a,2 b,3 c,4 d 3) 1 c,2 b,3 d,4 c 4) 1 b 2 c,3 a,4 d m n 7 Statement I If mcos(0 a) ncos(0 a) then tan0 tan O thas m 1 sin(a B) a b sin(o B) a B Which of the above statements is correct then tan o cot b Statement II If 1) Only I 2) Only II 3) Both I and II 4) Neither I nor II 8 Statement I If xcose yeos(120 0) zcos(0 240 ) then xy yz x2 0 Statement II If cos cos(120 ) cos(120 0) 0 Then which of the above statements is are correct 1) Only I 2) Only II 3) Both I II 4) Neither I nor II

Question

COMPOUND ANGL cos 90 0  A  cos9  sin 905  order is  sin90 cos21   sin21  cos21  sin 21 and C tan 20   tan 40   V3 tan 20 tan 40 then descen  1) A, , 2) , , 3) , , 4) , , 1  If tan(n cos 0)   cot(t sin 0) 0  0  2 then sin 0  4  1 1 2) 1) 3) 2 2 4) 2 2 2  If cos(0 a)   a,cos(0 B)  b, then sin (a B) 2abcos(0 B)  D 1) a  b 2) a b2 3) b a 4)  a   62 3  In any triangle ABC, sin A sin B sin C is always equal to 1) 2 sin A sin BcosC 2) 2 sin A cos B sin C 3) 2 sin A cos B cosC 4) 2 sin Asin Bsin C 4  If cos A cos B cos C   1, then AABC is 1) equilateral 2) isosceles 3) right angled 4) right angled isosce 5  If 2 sec 20   tan o   cot d, then one of the valucs of 0  is 1) T 2 2)  4 3) t 3 4)  6 6  Match the following  List  I List  II 1) cot  0 cot a) 0 2) sin(45  0)   cos(45  0) b) tan 56 cos 11  sin11 3) cos 11   sin11 c) 4) sin 75 sin 15 d) 1 1) 1 d, 2 a, 3 b,4 c 2) 1 a,2 b,3 c,4 d 3) 1 c,2 b,3 d,4 c 4) 1 b 2 c,3 a,4 d m n 7  Statement I  If mcos(0  a)   ncos(0  a) then tan0  tan O   thas m  1 sin(a   B) a b sin(o  B) a B Which of the above statements is correct  then tan o cot  b  Statement II   If 1) Only I 2) Only II 3) Both I and II 4) Neither I nor II 8  Statement I   If xcose   yeos(120  0)  zcos(0 240 ) then xy yz x2   0 Statement II  If cos cos(120   )   cos(120    0)   0 Then which of the above statements is are correct   1) Only I 2) Only II 3) Both I II 4) Neither I nor II

SolutionInn · Accepted Answer

The Answer is in the image, click to view...

Question: COMPOUND ANGL cos 90 0. A= cos9 +sin 905= order is -sin90 cos21 +sin21 cos21 -sin 21 and C=tan 20 + tan 40 +

Step by Step Solution

Students Have Also Explored These Related Mathematics Questions!