Question

From this how Fb sin thetha = Fc , Fb cos thetha = Fa , Ab sin thetha = Ac and Ab cos thetha =Aa​

Answer 1

Answer:

cosθ=

1−sin

2

θ

=

1−

b

2

a

2

=

b

b

2

−a

2

Solve any question of Trigonometric Functions with:-