Question

5. LA and B are complementary angles. If
LA: 2B= 1:5, then find A and B.​

Answer 1

Answer:

cos

2

A+cos

2

B

And A and B are complementary

So

A+B=90,A=90−B

(cos(90−B))

2

+cos

2

B

=sin

2

B+cos

2

B=1