find the value of sin65+sin25÷ cos65+cos25
Answers
Answered by
2
Answer:
sin(A+B)=sinAcosB+cosAsinB
here A=25 and B=65
⇒sin(25+65)°
⇒sin90°
=1
Answered by
0
Answer:
sin(90-25) + sin(90-65) ÷ cos25 + cos 25
=cos25+cos65 ÷ cos25+cos65
= 1
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