Sin50 + cos 40 = 2 cos(........)
Answers
Answered by
3
ANSWER : 2Cos40
Explanation :
Given ,
sin 50 + cos 40
= sin ( 90 - 40) + cos 40
= cos 40 + cos 40
= 2cos40
Answered by
1
Sin50+cos40=2cos(...)
Sin(90-40)+cos40=2cos(.....)
Cos40+cos40=2cos(......)
2cos40=2cos(.......)
(.......)=40
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