answer questions fast plz
Attachments:
Answers
Answered by
1
here is your answer.Hope you understand it
Attachments:
sahithi1818:
Thank you so much
no problems
Answered by
1
3sin@+5cos@=5
3sin@=5-5cos@
3sin@=5(1-cos@)
3sin@=5×2sin²@/2
3×2sin@/2cos@/2=10sin²@/2
3cos@/2=10sin²@/2/2sin@/2
3cos@/2=5sin@/2
3/5=sin@/2÷cos@/2
tan@/2=3/5
tan@=2tan@/2÷(1-tan²@/2)
=2(3/5)÷(1-(3/5)²
6/5÷(1-9/25)
6/5÷(16/25)
=6×25/(5×16)
=150/80=15/8=P/B
P=15,B=8
H=√15²+8²=√225+69=√289=±17
sin@=P/H=15/±17
cos@=8/±17
5sin@-3cos@=±[5(15/17)-3(8/17)]
=±[75/17-24/17]=±51/17
=±3
3sin@=5-5cos@
3sin@=5(1-cos@)
3sin@=5×2sin²@/2
3×2sin@/2cos@/2=10sin²@/2
3cos@/2=10sin²@/2/2sin@/2
3cos@/2=5sin@/2
3/5=sin@/2÷cos@/2
tan@/2=3/5
tan@=2tan@/2÷(1-tan²@/2)
=2(3/5)÷(1-(3/5)²
6/5÷(1-9/25)
6/5÷(16/25)
=6×25/(5×16)
=150/80=15/8=P/B
P=15,B=8
H=√15²+8²=√225+69=√289=±17
sin@=P/H=15/±17
cos@=8/±17
5sin@-3cos@=±[5(15/17)-3(8/17)]
=±[75/17-24/17]=±51/17
=±3
Similar questions