Question

If 180º < theta<270, cot theta =4/3 then theta/2
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Answer 1

Step-by-step explanation:

Correct option is

A

−1/

10

180

∘

θ<270

∘

⇒90

∘

<

2

θ

<135

∘

cos

2

θ=1−sin

2

θ=1−

25

9

=

25

16

180

∘

<θ<270

∘

cos

2

θ=

25

16

⇒cosθ=−

5

4

cos

2

2

θ

=

2

1+cosθ

=

2

1−4/5

=

10

1

90

∘

<θ/2<135

∘

Answer 2

Answer:

-3/5

Step-by-step explanation:

my answer is in the image hope it will help you