Question

Cos 72°/sin 18° + sin 11° /cos 79°- tan 15 °tan75°

Answer 1

Answer:

1

Step-by-step explanation:

cos 72/ cos( 90-18) + sin11/(sin (90-79) - tan15 .cot( 90-75)

cos72 /cos72 + sin11/ sin11 - tan15 . cot 15

=1 + 1-1

=1

plz mark it as brainliest