Find the value of `(i) " sin " ((31pi)/(3)) " (ii) `" cos " ((17pi)/(2)) "` " (iii) " tan " ((-25pi)/(3))` `(iv) " cot " ((13pi)/(4)) " " (v) " sec " ((-25pi)/(3)) " " (vi) " cosec " ((-41pi)/(4))`

Find the value of (i) "sin" ((25pi)/(3))" ""(ii) cos "((41pi)/(4))"

Find the value of cot frac(25pi)(3)^c

The value of 3 sin (pi/6) "sec" (pi/3) - 4 sin (5pi/6) cot (pi/4) is-

Prove that (i) "sin " (7pi)/(12) " cos " (pi)/(2) - "cos " *(7pi)/(12) " sin " (pi)/(4) = (sqrt(3))/(2) (ii) " sin " (pi)/(4) " cos " (pi)/(2) + "cos"(pi)/(4) " sin " (pi)/(12) = (sqrt(3))/(2) (iii) " cos " (2pi)/(3) " cos " (pi)/(4) - " sin " (2pi)/(3) " sin " (pi)/(4) =(-(sqrt(3) +1))/(2sqrt(2))

Find the value of: 3sin(pi/6) sec(pi/3) 4sin((5pi)/6) cot(pi/4)

Prove that (i) " tan"^(2) .(pi)/(3) + 2cos^(2) .(pi)/(4)+ 3 sec^(2).(pi)/(6)+ 4 cos^(2).(pi)/(2)=8 (ii) " sin ".(pi)/(6) " cos 0 + sin ".(pi)/(4) " cos " .(pi)(4) + " sin " .(pi)/(3) "cos " .(pi)/(6) =(7)/(4) (iii) " 4sin " (pi)/(6) " sin"^(2) (pi)/(3) + 3 " cos " .(pi)/(3) " tan ".(pi)/(4) = " cosec"^(2).(pi)/(2)=4

Find the value of: i) sin^(-1)(sin (2pi)/3)) , ii) cos^(-1)(cos(7pi)/6) , iii) tan^(-1)(tan(3pi)/4)

Find the value of: i) sin ^(-1)(sin (3pi)/5) , ii) cos^(-1)(cos(13pi)/6) , iii) tan^(-1)(tan (7pi)/6) .

4sin ((pi) / (6)) sin ^ (2) ((pi) / (3)) + 3cos ((pi) / (3)) tan ((pi) / (4)) + cos e ^ ( 2) ((pi) / (2)) = 2sec ^ (2) ((pi) / (4))