Question

find the value of:
(sin30+cos30)-(sin60+cos60)
solve it completely step by step​

Answer 1

Answer:

I am in class 9 so I don't no trigonometry

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

to fund the value of

(sin30+cos30)-(sin60+cos60)

Solution:

we know the value of

sin60=√3/2 = cos 30

sin30= cos 60 =1/2

then ,

(sin30+cos30)-(sin60+cos60)

= ( \frac{1}{2} + \frac{ \sqrt{3} }{2} ) - ( \frac{ \sqrt{3} }{2} + \frac{1}{2} )=(

2

1

+

2

3

)−(

2

3

+

2

1

)

= \frac{1}{2} + \frac{ \sqrt{3} }{2} - \frac{1}{2} - \frac{ \sqrt{3} }{2}=

2

1

+

2

3

−

2

1

−

2

3

= 0=0