Question

54. 0 0 If 0 < q < 180 then 2 + 2 + 2 +.... + 2(1 + cosq) there being n number of 2's, is equal to

(a) 2cos q

n

2

q

n-1 2

q

n+1 2

(b) 2cos (c) 2cos (d) N.O.T.

​

Answer 1

Answer:

Step-by-step explanationc part is correct:

Answer 2

Hii...

If 0 < q < 180 then 2 + 2 + 2 +.... + 2(1 + cosq) there being n number of 2's, is equal to 2cos