find the value of cosec 70 -sec20
Answers
Answered by
58
Hii friend!
Cosec 70 - sec 20
= cosec 70 - sec (90-70)
= cosec 70 - cosec 70
= 0
Formula used :
sec (90-a) = cosec a
Hope it helps
Cosec 70 - sec 20
= cosec 70 - sec (90-70)
= cosec 70 - cosec 70
= 0
Formula used :
sec (90-a) = cosec a
Hope it helps
priyabachala:
correct answer
Answered by
20
Answer: 0
Step-by-step explanation:
cosec 70° - sec 20°
= cosec (90°-70°) - sec 20° [ ∵ cosec (90°- θ) = sec θ ]
= sec 20° - sec 20°
= 0
You're welcome!
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