Question

Subjective Questions -
Question No.
Question No. 1
21
Marks obtained
omprehension #1 (Q. No. 1 to 2)
sin (A + B) = sinA cosB + sin B COSA
COS (A+B) = cosA COSB F SinA sinB
By the use of standard formulae above, answer the followir
If cos (A-B) = 3 cos (A + B), then cot A cotB is equal to
(A) 1
(B) 2
(C) 5
Let ABCD is cyclic quadriletral with AC ac diameter​

Answer 1

2 is the right answer of your question