Question

2 cos? 0 + cos 0 - 1 = 0. Then the value of
O is
(A) 60°
(B) 0°
(C) 60°
(D) 90°
>​

Answer 1

Answer:

Sin O =2cos 0-cos 0

Sin 0=cos 0

Tan 0=sin 0/cos 0

Tan 0= sin 0/sin 0

tan 0=1

Step-by-step explanation:

Answer 2

Answer:

60 is the answer

hope this helps