tan 48° tan 23° tan 42° tan 67° = 1
Answers
Answered by
3
Answer:
here is answer
Step-by-step explanation:
=tan 48° X tan 23° X cos(90-48) X cos(90-23)
=tan 48° X tan 23° X cos 48° X cos 23°
=tan 48° X cos 48° tan 23° X cos 23°
=1 (tan A X cos A = 1)
plz mark me brainliest
Similar questions