Question

if sin theta is equal to cos theta then the value of sin 2 theta​

Answer 1

Answer:

2sin theta is equal to 2/√2

Answer 2

Answer:

sin∅=cos∅

so that , ∅=45°

bcoz ... sin2∅ = 2sin∅cos∅

=2sin²∅ (bcoz sin∅=cos∅)

=2×sin45°=2×1/√2² = 1

so that answer is 1.