(cosecA-cotA)^2=1-cosA/1+cosA
Answers
Answered by
0
Answer:
Step-by-step explanation:
you can see ans in pic
Attachments:
Answered by
0
( cosec A - cot A )²
= ( 1/ sin A - cos A/sin A )²
= ( 1 - cos A/ sin A )²
= ( 1 + cos A )²/ sin²A
= ( 1 - cos A )²/ 1 - cos²A
= ( 1 - cos A ) ( 1 - cos A )/ ( 1 + cos A ) ( 1 - cos A )
= 1 - cos A / 1 + cos A
Hope it helps<3
Similar questions