Math, asked by parabcherryl82, 5 hours ago

If 3 sinº 0 = 2 2
3 sin? 0 = 2
= 24
3 sin? 0 =
4
9
sin0 = х
4
..
sin0 =
4
sin 0 =
2
...
sin 0 = sin
0 -

Answers

Answered by sendhurvendhen
1

Answer:

Solution:

LHS=2(sin

6

θ+cos

6

θ)−3(sin

4

θ+cos

4

θ)+1

=2{(sin

2

θ+cos

2

θ)

3

−3sin

2

θcos

2

θ(sin

2

θ+cos

2

θ)}−3(sin

2

θ+cos

2

θ)

2

−2(sin

2

θcos

2

θ)}+1

We know, [sin²x+cos²x=1]

=2{1−3sin

2

θcos

2

θ}−3{1−2sin

2

θcos

2

θ}+1

=2−6sin

2

θcos

2

θ−3+6sin

2

θcos

2

θ+1

=0

=RHS

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