dizrajprasainbro dizrajprasainbro

18-09-2022
Mathematics

contestada

g) (1 + sin a - cos a)² + (1 - sin a + cos a)² = 4 (1-sin a . cos a)

Respuesta :

clarissasuclupe07 clarissasuclupe07

18-09-2022

Answer:

Two

Step-by-step explanation:

(sinA−cosA)

2

+(sinA+cosA)

2

=sin

2

A+cos

2

A−2sinAcosA+sin

2

A+cos

2

A+2sinAcosA

=sin

2

A+cos

2

A+sin

2

A+cos

2

A=1+1=2

(since, sin

2

A+cos

2

A=1)

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