Question

eualuate: sin i5.cos75 cos²15​

Answer 1

Answer:

I think there should be plus in between sin5.cos75+cos²15

Step-by-step explanation:

sin(90-75)* cos75+cos²(90-75)

cos75*cos75+sin²75

cos²75+sin²75

1(Ans)

Hope this helps mark me as brainlist if it is correct.