Math, asked by kanusahookunu173, 5 months ago

sin 30+ cos 30 _ sin 60+ cos 60​

Answers

Answered by goyalravi1111
0

Step-by-step explanation:

0 is the right answer match it with your book

Answered by ars8920872151
0

please make my answer best

Step-by-step explanation:

ANSWER

Use sin(90

−θ)=cosθ and cos(90

−θ)=sinθ

and cos

2

θ+sin

2

θ=1

Now,

sin30

⋅cos60

+cos30

⋅sin60

=sin(90

−60

)⋅cos60

+cos(90

−60

)⋅sin60

=cos60

⋅cos60

+sin60

⋅sin60

=cos

2

60°+sin

2

60°=1

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