13. The value of cosec (70° + 0 ) - sec (20° - 0)+tan (65° + 0 )-cot (25° -0)
is
(a)0
(b)1
(c) 2
(d) 3
Answers
Answered by
2
Step-by-step explanation:
cosec70-sec20+tan65-cot25
tan(90-x)=cotx
cosec(90-x)=secx
cosec70=cosec(90-20)=sec20
tan65=tan(90-25)=cot25
on replacing
sec20-sec20+cot25-cot25=0
plz mark me brainlest
Answered by
0
Answer:
0
Step-by-step explanation:
- ~`|♪√Π÷ק∆\)(≠′↑¢¢¥€‰©®™✓[]@№$€_&_±<>/†”’:;¡¿
Similar questions