cosA=54 for some angle A. State True or False.
The value of the trigonometric ratio, cosine, is always between [-1, 1], it can never be greater than 1. So the above statement is false as 54 is greater than 1.
State whether the following are true or false. Justify your answer.
(i) The value of tan A is always less than 1.
(ii) sec A =for some value of angle A.
(iii) cos A is the abbreviation used for the cosecant of angle A.
(iv) cot A is the product of cot and A
(v) sin θ =, for some angle θ
Is the value of cosA = 54 true for some angle A?. State whether true or false.