plzz prove
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0
Answer:
Sin 25° cos 65° + cos 25° sin 65°
= sin 25° cos (90-25) + cos 25° sin(90-25)
= sin 25° sin 25° + cos 25° cos 25°
= sin²25° + cos²25°= 1 [sin²A+cos²A = 1]
Answered by
2
Sin 25° cos 65° + cos 25° sin 65°
= Sin 25° sin25° + cos25° cos 25°
= sin² 25° + cos²25° = 1[sin² A+ cos²A=1]
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