23. Given 0Sxs then the value of tan sinsins 2 then the value of ta (A)-I (B) 1 (C) (C) 忑 (D) 下

what is the value of i^(-35)+i^7 ? (a) 1 (b) 3 (c) 0 (d) 2

Find the value of: sinsin^-1(frac{-√ 3}{2})

If a+b+c =0, then the value of frac(a^2 +b^2+c^2) (a^2 - bc) is (A) 0 (B) 1 (C) 2 (D) 3

The value of sec^2 12^@-frac(1)(tan^2 78^@ is (A) 0 (B) 1 (C) 2 (D) 3

Find the value of: tan20^(@)+tan40^(@)+tan60^(@)+...+tan180^(@) (A) 0 (B) 1 (C) 2 (D) 3

Find the value of [-e ] is ( a ) -2 ( b ) -3 ( c ) -1 ( d ) 0

If the angles of /_ABC are in ratio 1:1:2 respectively (the largest angle being C ),then the value of (sec A)/(cosec B)-(tan A)/(cot B) is (a) 0 (b) 1/2 (c) 1 (d) sqrt(3)/2

If any /_ABC,tan A+tan B+tan C=6 and tan A tan B=2, then the values of tan A,tan B and tan C are respectively' (A)1,2,3(B)3,2,1(C)2,1,3(D)1,2,0

5. Let [(a,b,c),(b,c,a),(c,a,b)] , where a+b+ c>0 and abc=1 .if A^TA=Ithen the value of (a^3+b^3+c^3)/4 is (A)1 (B)2 (C)0 (D) 4

The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/4 (d) 1/8