Question

sin53°cos37°+cos53°sin37°=1​

Answer 1

Answer:

Step-by-step explanation:

LHS

sin53°×cos37°+cos53°×sin37°

sin(90°-37°) × cos37° + cos(90°-37°)×sin37°

cos37° × cos37° + sin37° × sin37°

cos^2 37° + sin^2 37°

= 1

( cos^2A +Sin^2A = 1)