find the value of sin 35 .cos 55 + cos 35 . sin 55
Answers
Answered by
0
Answer:
Step-by-step explanation:
Answered by
0
Answer:
Sin35.cos55+cos35.sin55
=Sin35.sin(90-55)+cos35.cos(90-55)
=Sin35.sin35+cos35.cos35
=Sin70+cos70
=Sin70+sin(90-70)
=Sin70+sin20
=Sin90
0
Similar questions