Question

How will you prove that sin(90+theta) =cos theta?

Answer 1

Answer:

Step-by-step explanation:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

Answer 2

Step-by-step explanation:

We know ,

sin(A+B) = sin AcosB + sinBcosA

sin(90+∅) = sin90°cos∅+sin∅cos90°

Putting the known values , we get :

= cos ∅

LHS=RHS

#HP