" (iii) "sec(13(pi)/(3))

Find the value of "sec" (13 (pi)/3)

Find the following values : (a) tan^(1) tan.(13pi)/(5) (b) sec^(-1) sec.(13pi)/(3) (c) sin^(-1) sin.(33pi)/(5) (d) sin^(-1) (sin 8) (e) tan^(-1) (tan 10) (f) sec^(-1) (sec 9) (g) cot^(-1) (cot 6) (h) cosec^(-1) (cosec 7)

Find the following values : (a) tan^(1) tan.(13pi)/(5) (b) sec^(-1) sec.(13pi)/(3) (c) sin^(-1) sin.(33pi)/(5) (d) sin^(-1) (sin 8) (e) tan^(-1) (tan 10) (f) sec^(-1) (sec 9) (g) cot^(-1) (cot 6) (h) cosec^(-1) (cosec 7)

Simplify (I ) cos ^(-1) ( cos ((13 pi )/(3))) (ii ) tan^(-1) ( tan ((3pi)/(4))) (iii ) sec^(-1) ( sec ((5pi )/(3))) (iv ) sin^(-1) [ sin 10 ]

The value of sec((pi)/(7))*sec(2(pi)/(7))*sec(3(pi)/(7)) is

int_(0)^((pi)/(2))sec(x-(pi)/(6))sec(x-(pi)/(3))dx=

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))

Evaluate each of the following: sec^(-1)((sec(13 pi))/(4))( ii) sec^(-1)((sec(25 pi))/(6))

Prove that: 2cos (pi)/(13) cos (9 pi)/(13)(3 pi)/(13)(5 pi)/(13)=0

Evaluate each of the following: sec^(-1)(sec(7pi)/3) (ii) sec^(-1)(sec(9pi)/5) (iii) sec^(-1){sec(-(7pi)/3)}