Write each of the following in the simplest form:
Assume x = a sinθ
= tan–1
= tan–1
= tan–1
= tan–1
= tan–1
Cos θ = cos2 – sin2
and sinθ =
,cos2
+ sin2
= 1
= tan–1
= tan–1
= tan–1
= tan–1(tan)
=
But θ = sin–1
∴ The given equation simplification to sin–1 .