Sin 63°cos27°+ cos 63º Sin 27°=1
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Answered by
1
Step-by-step explanation:
sin 63°.sin (90-27)+cos63°.cos (90-27)°
=sin63°.sin63°+ cos63°.cos63°
=sin^263°+cos^2 63°
using sin^2 A+ cos^2 A =1
=1
HOPE IT WILL HELP
Answered by
1
ANSWER :
sin63°cos27° + cos63°sin27° = 1
sin63° . sin(90-27)° + cos63° . cos(90-67)
sin63° . sin63° + cos63° . cos63°
hence, sin63°cos27° + cos63°sin27° = 1
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