" 18.If "sin x=(a^(2)-b^(2))/(a^(2)+b^(2))," find the values of "tan x,sec x" and "cosec x

sin x=(a^(2)-b^(2))/(a^(2)+b^(2)) then find the value of tan x,sec x and cos ecx

If tan x=(b)/(a) then find the value of a^(2)cos ec2x+b^(2)sec2x

Write the value of int(sec^2x)/(cosec^2x)dx .

If" " tan x=b/a, "find the value of " a^(2) "cosec2x + b^(2) sec 2x.

If sin x - cos x = 0, 0^(@) lt x lt 90^(@) then the value of ( sec x + cosec x)^(2) is:

∫ Sec^2x * Cosec^2x dx

If sec 1.4=x, find the value of csc (2tan^(-1)x) .

If a^(2)sec^(2)x-b^(2)tan^(2)x=c^(2) then the value of (sec^(2)x+tan^(2)x) is equal to (assume b^(2)nea^(2))

If tan 40^(@)=x , find the value of (i) sec^(2)40^(@)" " (ii) 1+cosec^(2)50^(@)

tan^2x + cot^2 x +2=sec^2 x cosec^2 x