Question

To go
1. Classify the following numbers as rational or irrational:
25
(3 + 23) – 23 (ii)
((
which yo
Rememt
02-15
2-5
(i)
(in
(v) 2.0
(iv)​

Answer 1

Explanation:

Given that

sin3A=cos(A−26)

cos(90−3A)=cos(A−26) [sinθ=cos(90−θ)]

Comparing angles

90−3A=A−26

−3A−A=−26−90

−4A=−116

A=

4

116

A=29