Question

10. Find
the
value
sin 18°+ tan 72°-cos72° 1 by
cosec75°+cot18°-sec15° 2

Answer 1

Answer:

Step-by-step explanation:

tan72*tan18

tan72=cot(90-72)

therefore,  

tan72=cot18

now, cot18*tan18=1

Answer 2

Answer:

plzzz give me brainliest ans and plzzzz follow me