The Phillips curve shows the trade-off between ----- and -----?

if 8 sin ² x + 3 cos ² x = 4  then find tan x

If α means +, β means -, ɣ  means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is

What is the value of 1/(1+tan ²θ ) + 1 / (1+cot ² θ ) = ?

2 × Tan 30° / (1 + Tan² 30°) equals: 

If 7sin²θ + 3cos²θ = 4, then find the value of θ?

The Value of (sin38˚)/(cos52˚)+ (cos12˚)/(sin78˚)- 4cos²60˚ is

Evaluate, tan 17°  tan 32°  + tan 32°  tan 41°  + tan 41°  tan 17°  =?

If sec x + tan x = 11 then find secx?

If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan³⁰ θ + cot ²⁹ θ.