If cos x  = sin 43^o, then the value of x is

The value of sin 60^o cos 30^o + cos 60^o sin 30^o is equal to

If 3 x cosec 36^o  = sec 54^o, then the value of x is

The value of sec 29^o - cosec 61^o is

The value of cosec² 60^o -1 is equal to.

The value of is

The value of 2 sin 30^o cos 30^o is equal to

The value of sin² 60 + cos² 60 is equal to

The value of sec²45^o - tan² 45^o is equal to.

Sin² 50^o + cos² 50^o =