Question

.) 8. sin“ cos4 0 = sin? 0 - cos? 0.​

Answer 1

Step-by-step explanation:

Correct option is

B

2

1

sinθ−cosθ=0

sinθ=cosθ

cosθ

sinθ

=1

tanθ=1

We know that tan

45=1

˚

so,θ=

45

˚

(sin

4

θ+cos

4

θ)

(sin

4

45

˚

+cos

4

45

˚

) ={(

2

1

)

4

+(

2

1

)

4

}

={

4

1

+

4

1

}

=

4

2

=

2

1