banbhumika613 banbhumika613

23-09-2021
Mathematics

contestada

sin thetha + cos thetha upon sec thetha + cosec thetha = sin thetha • cos thetha

Respuesta :

lynnkc2000 lynnkc2000

23-09-2021

Answer:

steps below

Step-by-step explanation:

sin θ + cos θ / sec θ + cosec θ

= (sin θ + cos θ) / (1/cos θ+1/sin θ)

= (sin θ + cos θ) / ((sin θ + cos θ)/sin θ*cos θ)

= sin θ * cos θ

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