Represent angle(270 +x) in terms of x

Represent angle( 90-x) in terms of x

Represent angle (90+x) in terms of x

Represent angle (180+x) in terms of x

Represent angle (180-x) in terms of x

Represents angle (360-x) in terms of x

Represent angle (-x) in terms of x

If A, x and y are all distinct numbers , and A =(xy-2)/(x-y) which of the following represents x , in terms of A and y ?

If x is a positive acute angle and cosx=a, an expression for tanx in terms of a is

In the given figure BC//DE and O is the centre of the circle . If angle CDE = x^(@) , find in terms of x^(@) the value of angle BAC .

In the given AB is a diameter and DC is tangent which meets AB produced at point. C . If angle DAC = x ^(@), find in terms of x ^(@): angle DCB