Question

27. Solve the following equation for A0º < A < 90°):
(1) 2cos2A = 1
tan3A = 1 1 (iii) V3cot2A = 1
4cos2 A-1 = 0
(iv)​

Answer 1

Answer:

some of your questions are missing,pls resend them

Answer 2

Answer:

2cos2A=1

cos2A=1/2

coz2A=cos60

2A=60

A=60/2

A=30.

Step-by-step explanation:

Hope this answer will help you dear....