3. If sin a = cos B, then what is the value of a + B ?
Answers
Answered by
4
Answer:
a+B=90°
Step-by-step explanation:
sin a=cos B
sin 30°= cos60° [sin30°=1/2 & cos60°=1/2]
a=30° & B=60°
a+B=30°+60°=90°
Answered by
0
Step-by-step explanation:
cos θ = sin(90⁰−θ)
i hope this helps you.
Attachments:
Similar questions