If

If $x\ \tan45\degree\ \cos60\degree\ =\ \sin60\degree\cot60\degree$  , then find value of x

Given that , $\sin\ \alpha=\ \frac{1}{2}and\ \cos\ \beta\ =\ \frac{1}{2}$  , what is the value of  $\left(\alpha+\beta\right)$  ?

If cos A + cos²A = 1, then find value of sin² A + sin⁴ A 😌

If sin(A+B) = 1 and cos (A - B) =  $\frac{\sqrt{3}}{2}$  , then find values of A and B

In figure, the value of  $\cos\phi$  is 

If a digit is chosen at random from the digits, 1,2,3,4,5,6,7,8,9, then the probability that it is odd, is

If one zero of polynomial f9x) = (k² +4) x² + 13x + 4k is reciprocal of the each other, then k =

The HCF and LCM of two rational numbers are equal, then numbers must be

 $3.\overline{27}$  is 

If  $\theta$  is an acute angle and  $\tan\theta\ +\ \cot\ \theta\ =\ 2,$  find value of  $\tan^7\theta\ +\ \cot^7\theta$  

If  $\theta$  is an acute angle and  $\sin\theta\ =\ \cos\theta$  , find the value of  $2\tan^2\theta\ +\ \sin^2\theta\ -\ 1$   

Find value of x:  $\sqrt{3}\sin x\ =\ \cos\ x$