Question

A and B are complementary angles . If A=½ B, find sin A and cos A

Answer 1

Answer:

SinA =1/2,CosA=√3/2

Step-by-step explanation:

As A =30° ans B =60°

It is very easy and general question

Answer 2

$\huge\star{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}\huge\star$

ANSWER

Given,

A,B are complementary angles.

⇒A=90−B

Now,

sin

2

A+sin

2

B

=sin

2

(90−B)+sin

2

B

=cos

2

A+sin

2

B

=1

hope it will help you mark as brainlist answer