Math, asked by rksaxena177, 5 months ago

sin80°/cos10° + cos81°/sin9°=?

Answers

Answered by biniyaveldho

Answer:

sin80 / cos10 + cos81 / sin9=0.987

Answered by thelastbloodline

Step-by-step explanation:

sin80⁰= sin(90⁰- 10⁰)=cos10⁰-------- no.1

cos81⁰=cos(90⁰- 9⁰)=sin9⁰------------no.2

. . no.1+no.2= cos10⁰/cos10⁰ + sin9⁰/sin9⁰

= 1+1=2

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sin80°/cos10° + cos81°/sin9°=?​

Answers

sin80°/cos10° + cos81°/sin9°=?