If `0leqalphaleq(pi/2)` and `2sinalpha+15cos^2alpha=7` then find `cotalpha`

If alpha is acute angle and 2sin^(2)alpha+15cos^(2)alpha=7 , then cotalpha equal to

If 0

If alpha is an acute angle and 2sinalpha+15cos^(2)alpha=7 then the value of cotalpha is

If alpha is a positive acute angle and 2sin alpha+15cos^(2)alpha=7 , then the value of cotalpha is

If 0 < alpha < pi/6 and sin alpha + cos alpha =sqrt(7 )/2, then tan alpha/2 is equal to

If sin.alpha/2+cos.alpha/2=1.4, then: sinalpha=

If 0ltalphaltpi/2 and sinalpha+cosalpha+tanalpha+cotalpha+secalpha+cosecalpha="7, then prove that sin2alpha is a root of the equation x^2-44x-36=0.

If 0ltalphaltpi/2 and sinalpha+cosalpha+tanalpha+cotalpha+secalpha+cosecalpha="7, then prove that sin2alpha is a root of the equation x^2-44x-36=0.

If 0ltalphaltpi/2 and sinalpha+cosbeta+tanalpha+cotalpha+secalpha+cosecalpha="7, then prove that sin2alpha is a root of the equation x^2-44x+36=0.

If : sin(alpha//2)cos(alpha//2)=12/25. then: sinalpha=