Question

a) cos 38 cos 52-
ons 38° COS 32 - Si Jo SI 32=U
Iftan 2A =cot
A=cot (A-18°), where 2A is an acute angle, find the value of A.
Doub
d
ftan A = cot B, prove that A+B = 90°
& If sec 4A = cosec (A -
C4A = cosec (A-20°), where 4A is an acute angle, find the value of A. can u guys help me in solving this question ​

Answer 1

Answer:

I don't understanding what Is your questions