India's first UPI ATM has been launched by which payment

If cos² x + sin x = 5/4, then find the value of 'sin x'.

Calculate the value of sec75^o

Given that 'θ' is an angle less than 120 ^° , what is the value of 'θ' if it satisfies the equation 3cos ² θ = 2 + sin ²

If 7sin² ϕ + 3cos² ϕ = 4, then find the value of ϕ ?

If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).

[A] (a²+b²-2)/ 2

sin10˚ x sin20˚ x sin40˚ =? 

If √3cosec 2x = 2, then the value of x:

If θ is an acute angle and sin θ + cosec θ = 2, then the value of ^sin2 θ + cosec² θ is: