Question

i. if cos 2A = sin 3A, then A=
ii. if cos 3A = sin 7A, then A=
iii. if tan A = cot 3A, then A=
iv. if cot A = tan 2A, then A=
a)A=22.5°
b)A=30°
c)A=9°
d)A=18°​

Answer 1

Step-by-step explanation:

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