Catacombs

There is another one just after/or maybe before the other one. I have highlighted them.

http://tombraidergirl.com/tr4/catacombs.html

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These are the two (secrets left out)

b. Upper Level - 3rd Trident
Collect the red shotgun ammo in the alcove behind you. Follow the passage and take the trident from the pedestal. Step back outside. Jump to the next platform. Make a running jump over to the large platform in the middle. Turn left and make a running jump to the platform there. Enter the passage and collect the blue shotgun ammo and the small medipack. Return outside and jump back onto the large platform. Now make a running jump onto the platform on the right. Run to it's end. Jump over to the platform there. On your left a skeleton will appear. Shoot it. Make a running jump onto the rope. Turn left, swing the rope and jump into the alcove on the left. Climb up the pole. Leave it with a backsault.

b. 4th Trident
Climb up the ladder. Pick the trident from the pedestal. (If you climb up the ladder, you'll return to the Coastal Ruins, but you have to go to the Temple of Poseidon first, so we won't climb up. You might want to go there and open the doors in case you have to come back.) Run down the passage again and climb down the ladder. Slide down the pole. Make a running jump to the large platform on the left. Run towards the wall and turn left. Shoot the skeleton.

Can somebody help to pass the two ropes
When i try to jump from the first one to the second i can't reach it

You have to jump when you are at the highest point.

Arrange the first rope so that it covers the second.

You just have to press and hold action while in the air. The most important thing if jumping from one rope to the next is that you have a good position to jump from. Like I mentioned, the second rope has to be covered by the first. This way you make sure that you jump towards the second rope, not to the right/left side of it.