3[sinx-cosx]4+6[sinx+cosx]2+4[sin6x+cos6x]=? put x=90
Answers
Answered by
0
Step-by-step explanation:
=3[sin90- cos90]4+6[sin90+cos90]2+4[6(sin90+cos90)]
=3[1-0]10[1+0]6[6(1+0)]
=3*1*10*1*6*6
=1080.
Answered by
0
Answer:
28 is the answer
Step-by-step explanation:
because 3(1-0)4+6(1+0)2+4(0+1)
=12+12+4
=28
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