Question

4. 2 cos² 30° - 1
(a) sin 60°
(b) cos 60°
(c) tan 60°
(d) sec 60°
5. Which of the following is incorrect (O is acute angle)?
(a) tan 0 = 3
(b) sin 0 = 3
(c) sec 0 = 3
(d) cot A=3​

Answer 1

Answer:

sin 30 degree sin o = 3 is wrong

Answer 2

Answer:

Pls follow the process to the poem dust of snow class 10 express your views bringing out the inherent of your health dear