Answer:
cos15 is equivalent to sin(75)
Step-by-step explanation:
solving for cos15 degrees gives you ((√(3)+1)*√(2))/4 which is the same as the sin(75)
33 plz braniest i think i help you
Hello,
5x² = 90/2
5x² = 45
x² = 45/5
x² = 9
x = √9 or x = -√9
x = 3 or x = -3