Eavaluate the following
Attachments:
Answers
Answered by
1
Hi friend,
Here is your answer,
_____________________________________________________________
sec70°sin20°- cos20°cosec70°
= sec70° cos(90-20)° - sin(90-20)°cosec70°
= sec70° cos70° - sin70°cosec70°
= 1 -1
= 0
_____________________________________________________________
★★★★ HOPE THIS HELPS YOU ★★★★
★★★★ PLS MARK ME AS BRAINLIEST ★★★★
Here is your answer,
_____________________________________________________________
sec70°sin20°- cos20°cosec70°
= sec70° cos(90-20)° - sin(90-20)°cosec70°
= sec70° cos70° - sin70°cosec70°
= 1 -1
= 0
_____________________________________________________________
★★★★ HOPE THIS HELPS YOU ★★★★
★★★★ PLS MARK ME AS BRAINLIEST ★★★★
himanshukhantwal:
Done! And thanks for answer
welcome........
Oh I was doing a small mistake
But thnks
yaa many times we know the concepts and formula but due to very very small mistakes we get our answers wrong
Similar questions