sin60cos30+sin30cos60
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Answered by
1
Answer:
1
Step-by-step explanation:
we know that sin(a+b)=sin a cos b+sin b cos a
by using this we can simplify this,
sin60cos30+sin30cos60=sin(60+30)
we also know that sin 90 is 1 so,
sin(90)=1
Pls mark it as the brainliest
Answered by
0
Answer:
1
Step-by-step explanation:
sin60=cos30= root3/2
sin60.cos30 = 3/4
sin30=cos60= 1/2
sin30.cos60= 1/4
sin60.cos30+sin30.cos60= 3/4+1/4 = 4/4 =1
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