If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A
CBSE Class 10
CBSE Class 10 Maths
trigonometry
,
class-10-maths
Murali
April 1, 2019, 5:34am
#1
If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A.
Murali
April 1, 2019, 5:35am
#2