tan²a+cot²a=2 तो a=?
raosabh1255:
ha ye bata do
ok yaa
ok
ok yaar ma soch raha tha gf banne ki par
tumne to dil he tod fiya
laga hi tha
kyq
laga
tha yaar ma tho socha
karoge
Answers
Answered by
2
Answer:
tan2a + cot2a + 2
= sec2a - 1 + cosec2a - 1 + 2
= sec2a - 2+2 + cosec2a
=sec2a + cosec2a
hlw
Answered by
1
Step-by-step explanation:
LHS =tan2A+cot2A+2
=sec2A−1+cosec2A−1+2
= sec2 A + cosec2 A
=1cos2A+1sin2A
=sin2A+cos2Acos2A⋅sin2A
=1cos2A⋅sin2A
=1cos2A×1sin2A
= sec2 A. cosec2 A = RHS
व्यापक मान क्या होगा
matlab
Similar questions